<?xml version="1.0" encoding="us-ascii"?>
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#Cover" roleURI="http://kvac.com/20260331/role/Cover" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#CondensedConsolidatedBalanceSheets" roleURI="http://kvac.com/20260331/role/CondensedConsolidatedBalanceSheets" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#ConsolidatedBalanceSheetsParentheticals" roleURI="http://kvac.com/20260331/role/ConsolidatedBalanceSheetsParentheticals" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#UnauditedCondensedConsolidatedStatementsofIncome" roleURI="http://kvac.com/20260331/role/UnauditedCondensedConsolidatedStatementsofIncome" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#UnauditedCondensedConsolidatedStatementsofChangesinShareholdersDeficit" roleURI="http://kvac.com/20260331/role/UnauditedCondensedConsolidatedStatementsofChangesinShareholdersDeficit" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#UnauditedCondensedConsolidatedStatementsofCashFlows" roleURI="http://kvac.com/20260331/role/UnauditedCondensedConsolidatedStatementsofCashFlows" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#OrganizationandBusinessBackground" roleURI="http://kvac.com/20260331/role/OrganizationandBusinessBackground" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SummaryofSignificantAccountingPolicies" roleURI="http://kvac.com/20260331/role/SummaryofSignificantAccountingPolicies" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#InitialPublicOffering" roleURI="http://kvac.com/20260331/role/InitialPublicOffering" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#PrivatePlacement" roleURI="http://kvac.com/20260331/role/PrivatePlacement" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#RelatedPartyTransactions" roleURI="http://kvac.com/20260331/role/RelatedPartyTransactions" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#ShareholdersDeficit" roleURI="http://kvac.com/20260331/role/ShareholdersDeficit" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#CommitmentsandContingencies" roleURI="http://kvac.com/20260331/role/CommitmentsandContingencies" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SegmentInformation" roleURI="http://kvac.com/20260331/role/SegmentInformation" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SubsequentEvents" roleURI="http://kvac.com/20260331/role/SubsequentEvents" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesPolicies" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SummaryofSignificantAccountingPoliciesTables" roleURI="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesTables" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#OrganizationandBusinessBackgroundDetails" roleURI="http://kvac.com/20260331/role/OrganizationandBusinessBackgroundDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SummaryofSignificantAccountingPoliciesDetails" roleURI="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SummaryofSignificantAccountingPoliciesScheduleofConsolidatedFinancialStatementsDetails" roleURI="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesScheduleofConsolidatedFinancialStatementsDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetails" roleURI="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetails" roleURI="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#InitialPublicOfferingDetails" roleURI="http://kvac.com/20260331/role/InitialPublicOfferingDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#PrivatePlacementDetails" roleURI="http://kvac.com/20260331/role/PrivatePlacementDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#RelatedPartyTransactionsDetails" roleURI="http://kvac.com/20260331/role/RelatedPartyTransactionsDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#ShareholdersDeficitDetails" roleURI="http://kvac.com/20260331/role/ShareholdersDeficitDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#CommitmentsandContingenciesDetails" roleURI="http://kvac.com/20260331/role/CommitmentsandContingenciesDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SegmentInformationDetails" roleURI="http://kvac.com/20260331/role/SegmentInformationDetails" />
  <link:roleRef xlink:type="simple" xlink:href="kvac-20260331.xsd#SubsequentEventsDetails" roleURI="http://kvac.com/20260331/role/SubsequentEventsDetails" />
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesPolicies" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_CashAndInvestmentHeldInTrustAccountPolicyTextBlock" xlink:label="kvac_CashAndInvestmentHeldInTrustAccountPolicyTextBlock_1133" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_EmergingGrowthCompanyPolicyTextBlock" xlink:label="kvac_EmergingGrowthCompanyPolicyTextBlock_1130" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_RelatedPartiesPolicyPolicyTextBlock" xlink:label="kvac_RelatedPartiesPolicyPolicyTextBlock_1139" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_WarrantAccountingPolicyTextBlock" xlink:label="kvac_WarrantAccountingPolicyTextBlock_1134" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract_1127" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BasisOfAccounting" xlink:label="us-gaap_BasisOfAccounting_1128" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_1132" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="us-gaap_ConcentrationRiskCreditRisk_1140" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock_1129" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_1138" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_1136" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_1137" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1141" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock_1135" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates_1131" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="kvac_CashAndInvestmentHeldInTrustAccountPolicyTextBlock_1133" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="kvac_EmergingGrowthCompanyPolicyTextBlock_1130" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="21.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="kvac_RelatedPartiesPolicyPolicyTextBlock_1139" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="kvac_WarrantAccountingPolicyTextBlock_1134" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_BasisOfAccounting_1128" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_1132" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="22.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_ConcentrationRiskCreditRisk_1140" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_ConsolidationPolicyTextBlock_1129" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="20.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_1138" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_1136" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="19.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_1137" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="23.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1141" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock_1135" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1127" xlink:to="us-gaap_UseOfEstimates_1131" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesTables" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract_1143" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_1145" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_1146" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipDescriptionTextBlock" xlink:label="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipDescriptionTextBlock_1144" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1143" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_1145" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1143" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_1146" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1143" xlink:to="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipDescriptionTextBlock_1144" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/RelatedPartyTransactionsDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNotesPayableCurrent" xlink:label="us-gaap_OtherNotesPayableCurrent_1322" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForFees" xlink:label="us-gaap_PaymentsForFees_1317" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRent" xlink:label="us-gaap_PaymentsForRent_1315" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:label="us-gaap_ProceedsFromUnsecuredNotesPayable_1319" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1303" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ServiceFeesUnpaid" xlink:label="kvac_ServiceFeesUnpaid_1316" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_SponsorMember" xlink:label="kvac_SponsorMember_1305" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldInTrust" xlink:label="us-gaap_AssetsHeldInTrust_1320" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_1294" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1302" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1297" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="us-gaap_SaleOfStockPricePerShare_1321" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1309" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_1311" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_1312" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_FounderShares1Member" xlink:label="kvac_FounderShares1Member_1304" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1308" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis_1307" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="us-gaap_BusinessAcquisitionSharePrice_1318" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IPOMember" xlink:label="us-gaap_IPOMember_1298" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent_1323" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PercentageOfIssuedAndOutstandingSharesAfterInitialPublicOfferingCollectivelyHeldByInitialStockholders" xlink:label="kvac_PercentageOfIssuedAndOutstandingSharesAfterInitialPublicOfferingCollectivelyHeldByInitialStockholders_1313" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_RelatedPartyTransactionsDetailsTable" xlink:label="kvac_RelatedPartyTransactionsDetailsTable_1295" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyMember" xlink:label="us-gaap_RelatedPartyMember_1306" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems_1310" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_1314" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember_1301" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis_1299" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_1300" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1296" />
    <link:presentationArc xlink:type="arc" order="21.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_OtherNotesPayableCurrent_1322" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_PaymentsForFees_1317" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_PaymentsForRent_1315" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_ProceedsFromUnsecuredNotesPayable_1319" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1302" xlink:to="us-gaap_RelatedPartyDomain_1303" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="kvac_ServiceFeesUnpaid_1316" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain_1303" xlink:to="kvac_SponsorMember_1305" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="19.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_AssetsHeldInTrust_1320" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_RelatedPartyTransactionsDetailsTable_1295" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1302" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1296" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1297" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="20.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_SaleOfStockPricePerShare_1321" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain_1308" xlink:to="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1309" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_1311" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_1312" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain_1303" xlink:to="kvac_FounderShares1Member_1304" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionAxis_1307" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1308" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_RelatedPartyTransactionsDetailsTable_1295" xlink:to="us-gaap_BusinessAcquisitionAxis_1307" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_BusinessAcquisitionSharePrice_1318" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1297" xlink:to="us-gaap_IPOMember_1298" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="22.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_OtherLiabilitiesCurrent_1323" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="kvac_PercentageOfIssuedAndOutstandingSharesAfterInitialPublicOfferingCollectivelyHeldByInitialStockholders_1313" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsAbstract_1294" xlink:to="kvac_RelatedPartyTransactionsDetailsTable_1295" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain_1303" xlink:to="us-gaap_RelatedPartyMember_1306" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_RelatedPartyTransactionsDetailsTable_1295" xlink:to="us-gaap_RelatedPartyTransactionLineItems_1310" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems_1310" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_1314" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain_1300" xlink:to="us-gaap_SubsequentEventMember_1301" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_RelatedPartyTransactionsDetailsTable_1295" xlink:to="us-gaap_SubsequentEventTypeAxis_1299" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis_1299" xlink:to="us-gaap_SubsequentEventTypeDomain_1300" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_RelatedPartyTransactionsDetailsTable_1295" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1296" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/PrivatePlacementDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PrivatePlacementDetailsTable" xlink:label="kvac_PrivatePlacementDetailsTable_1280" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PrivateWarrantsMember" xlink:label="kvac_PrivateWarrantsMember_1286" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="kvac_UnitsIssuedDuringPeriodSharesNewIssues_1288" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_1284" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_1285" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1292" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightLineItems" xlink:label="us-gaap_ClassOfWarrantOrRightLineItems_1287" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1291" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember_1283" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WarrantsAndRightsNoteDisclosureAbstract" xlink:label="us-gaap_WarrantsAndRightsNoteDisclosureAbstract_1279" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_NumberOfSharesIssuedPerUnit" xlink:label="kvac_NumberOfSharesIssuedPerUnit_1290" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PricePerUnit" xlink:label="kvac_PricePerUnit_1289" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1281" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1282" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WarrantsAndRightsNoteDisclosureAbstract_1279" xlink:to="kvac_PrivatePlacementDetailsTable_1280" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1285" xlink:to="kvac_PrivateWarrantsMember_1286" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightLineItems_1287" xlink:to="kvac_UnitsIssuedDuringPeriodSharesNewIssues_1288" preferredLabel="http://www.xbrl.org/2009/role/netLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_PrivatePlacementDetailsTable_1280" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_1284" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis_1284" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_1285" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightLineItems_1287" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1292" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_PrivatePlacementDetailsTable_1280" xlink:to="us-gaap_ClassOfWarrantOrRightLineItems_1287" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightLineItems_1287" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1291" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1282" xlink:to="us-gaap_PrivatePlacementMember_1283" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightLineItems_1287" xlink:to="kvac_NumberOfSharesIssuedPerUnit_1290" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightLineItems_1287" xlink:to="kvac_PricePerUnit_1289" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_PrivatePlacementDetailsTable_1280" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1281" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1281" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1282" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesScheduleofConsolidatedFinancialStatementsDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_KVACMSCaymanLimitedMember" xlink:label="kvac_KVACMSCaymanLimitedMember_1152" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ScheduleOfConsolidatedFinancialStatementsAbstract" xlink:label="kvac_ScheduleOfConsolidatedFinancialStatementsAbstract_1148" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipAxis" xlink:label="srt_OwnershipAxis_1150" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipDomain" xlink:label="srt_OwnershipDomain_1679" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable" xlink:label="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1149" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipBusinessPurpose" xlink:label="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipBusinessPurpose_1154" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems" xlink:label="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_1153" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest" xlink:label="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest_1155" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_KVACCaymanLimitedAcquirerMember" xlink:label="kvac_KVACCaymanLimitedAcquirerMember_1151" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_OwnershipDomain_1679" xlink:to="kvac_KVACMSCaymanLimitedMember_1152" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1149" xlink:to="srt_OwnershipAxis_1150" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_OwnershipAxis_1150" xlink:to="srt_OwnershipDomain_1679" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_ScheduleOfConsolidatedFinancialStatementsAbstract_1148" xlink:to="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1149" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_1153" xlink:to="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipBusinessPurpose_1154" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1149" xlink:to="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_1153" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_1153" xlink:to="us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest_1155" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_OwnershipDomain_1679" xlink:to="kvac_KVACCaymanLimitedAcquirerMember_1151" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ScheduleOfFairValueHierarchyOfTheValuationTechniquesAbstract" xlink:label="kvac_ScheduleOfFairValueHierarchyOfTheValuationTechniquesAbstract_1157" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetailsTable" xlink:label="kvac_SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetailsTable_1158" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract_1168" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldInTrustNoncurrent" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_1169" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_1167" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_1159" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_1164" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member_1161" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member_1162" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member_1163" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_1165" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1160" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_1166" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_ScheduleOfFairValueHierarchyOfTheValuationTechniquesAbstract_1157" xlink:to="kvac_SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetailsTable_1158" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_1167" xlink:to="us-gaap_AssetsAbstract_1168" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract_1168" xlink:to="us-gaap_AssetsHeldInTrustNoncurrent_1169" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetailsTable_1158" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_1167" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetailsTable_1158" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_1159" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesScheduleofFairValueHierarchyoftheValuationTechniquesDetailsTable_1158" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis_1164" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1160" xlink:to="us-gaap_FairValueInputsLevel1Member_1161" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1160" xlink:to="us-gaap_FairValueInputsLevel2Member_1162" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1160" xlink:to="us-gaap_FairValueInputsLevel3Member_1163" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis_1164" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_1165" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis_1159" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1160" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain_1165" xlink:to="us-gaap_FairValueMeasurementsRecurringMember_1166" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/OrganizationandBusinessBackgroundDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Deposits" xlink:label="us-gaap_Deposits_1246" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1207" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IPOMember" xlink:label="us-gaap_IPOMember_1190" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_1186" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherUnderwritingExpense" xlink:label="us-gaap_OtherUnderwritingExpense_1227" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1191" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrivatePlacementMember" xlink:label="us-gaap_PrivatePlacementMember_1192" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_1220" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_1225" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepositAssets" xlink:label="us-gaap_DepositAssets_1678" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredOfferingCosts" xlink:label="us-gaap_DeferredOfferingCosts_1229" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_1228" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember_1208" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1222" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1223" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_1210" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_1209" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_1236" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="us-gaap_BusinessAcquisitionLineItems_1217" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis_1200" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1201" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldInTrust" xlink:label="us-gaap_AssetsHeldInTrust_1230" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionConsiderationTransferred" xlink:label="us-gaap_AssetAcquisitionConsiderationTransferred_1231" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis_1214" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="srt_ScenarioUnspecifiedDomain_1215" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain_1691" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis_1690" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_AggregateOfHeldInTrustAccount" xlink:label="kvac_AggregateOfHeldInTrustAccount_1232" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ClosingNetValue" xlink:label="kvac_ClosingNetValue_1240" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_DepositingAmountToTrustAccount" xlink:label="kvac_DepositingAmountToTrustAccount_1242" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_MaturityInvestedTerm" xlink:label="kvac_MaturityInvestedTerm_1233" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_MaximumNetInterestToPayDissolutionExpenses" xlink:label="kvac_MaximumNetInterestToPayDissolutionExpenses_1248" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_MinimumNetTangibleAssetsUponConsummationOfBusinessCombination" xlink:label="kvac_MinimumNetTangibleAssetsUponConsummationOfBusinessCombination_1237" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_OrganizationandBusinessBackgroundDetailsTable" xlink:label="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PaymentOfAggregateAmount" xlink:label="kvac_PaymentOfAggregateAmount_1695" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PercentageObligationToRedeemPublicShares" xlink:label="kvac_PercentageObligationToRedeemPublicShares_1247" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PercentageOfAggregateFairMarketValueOfAsset" xlink:label="kvac_PercentageOfAggregateFairMarketValueOfAsset_1235" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PercentageOfIssuedAndOutstandingOrdinaryShares" xlink:label="kvac_PercentageOfIssuedAndOutstandingOrdinaryShares_1241" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PrivateWarrantsMember" xlink:label="kvac_PrivateWarrantsMember_1213" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PricePerUnit" xlink:label="kvac_PricePerUnit_1219" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ThresholdNumberOfBusinessDaysToRedeemPublicSharesFromCombinationPeriod" xlink:label="kvac_ThresholdNumberOfBusinessDaysToRedeemPublicSharesFromCombinationPeriod_1250" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_SponsorMember" xlink:label="kvac_SponsorMember_1205" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_RedemptionSharePercentage" xlink:label="kvac_RedemptionSharePercentage_1234" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_RedemptionOfPercentageOfCommonStockIncludedInUnitsSoldInOffering" xlink:label="kvac_RedemptionOfPercentageOfCommonStockIncludedInUnitsSoldInOffering_1238" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PublicWarrantMember" xlink:label="kvac_PublicWarrantMember_1212" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PublicShareMember" xlink:label="kvac_PublicShareMember_1193" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1204" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1203" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1189" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1202" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice_1694" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare_1239" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis_1206" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodShares" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodShares_1243" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodValue" xlink:label="us-gaap_StockRedeemedOrCalledDuringPeriodValue_1245" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1188" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityRedemptionPricePerShare" xlink:label="us-gaap_TemporaryEquityRedemptionPricePerShare_1244" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScenarioForecastMember" xlink:label="srt_ScenarioForecastMember_1216" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_WorkingCapitalDeficit" xlink:label="kvac_WorkingCapitalDeficit_1249" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="kvac_UnitsIssuedDuringPeriodSharesNewIssues_1224" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_UnitsIssuedDuringPeriodSharesNewIssued" xlink:label="kvac_UnitsIssuedDuringPeriodSharesNewIssued_1218" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_TrustAccountMember" xlink:label="kvac_TrustAccountMember_1692" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_TransactionCost" xlink:label="kvac_TransactionCost_1226" />
    <link:presentationArc xlink:type="arc" order="42.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_Deposits_1246" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis_1206" xlink:to="us-gaap_EquityComponentDomain_1207" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1189" xlink:to="us-gaap_IPOMember_1190" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="21.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_OtherUnderwritingExpense_1227" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1189" xlink:to="us-gaap_OverAllotmentOptionMember_1191" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1189" xlink:to="us-gaap_PrivatePlacementMember_1192" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_ProceedsFromIssuanceInitialPublicOffering_1220" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="19.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_1225" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="41.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_DepositAssets_1678" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="23.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_DeferredOfferingCosts_1229" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="22.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_1228" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain_1207" xlink:to="us-gaap_CommonStockMember_1208" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1222" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1223" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis_1209" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_1210" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_1209" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="30.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_1236" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="20.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="us-gaap_BusinessAcquisitionLineItems_1217" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="us-gaap_BusinessAcquisitionAxis_1200" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionAxis_1200" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1201" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="24.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_AssetsHeldInTrust_1230" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="25.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_AssetAcquisitionConsiderationTransferred_1231" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="srt_StatementScenarioAxis_1214" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_StatementScenarioAxis_1214" xlink:to="srt_ScenarioUnspecifiedDomain_1215" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="114.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis_1690" xlink:to="dei_EntityDomain_1691" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="19.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="dei_LegalEntityAxis_1690" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="26.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_AggregateOfHeldInTrustAccount_1232" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="34.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_ClosingNetValue_1240" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="37.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_DepositingAmountToTrustAccount_1242" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="27.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_MaturityInvestedTerm_1233" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="44.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_MaximumNetInterestToPayDissolutionExpenses_1248" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="31.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_MinimumNetTangibleAssetsUponConsummationOfBusinessCombination_1237" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_1186" xlink:to="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="117.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_PaymentOfAggregateAmount_1695" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="43.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_PercentageObligationToRedeemPublicShares_1247" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="29.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_PercentageOfAggregateFairMarketValueOfAsset_1235" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="35.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_PercentageOfIssuedAndOutstandingOrdinaryShares_1241" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1210" xlink:to="kvac_PrivateWarrantsMember_1213" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_PricePerUnit_1219" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="46.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_ThresholdNumberOfBusinessDaysToRedeemPublicSharesFromCombinationPeriod_1250" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain_1204" xlink:to="kvac_SponsorMember_1205" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="28.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_RedemptionSharePercentage_1234" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="32.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_RedemptionOfPercentageOfCommonStockIncludedInUnitsSoldInOffering_1238" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1210" xlink:to="kvac_PublicWarrantMember_1212" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1189" xlink:to="kvac_PublicShareMember_1193" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1203" xlink:to="us-gaap_RelatedPartyDomain_1204" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1203" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1188" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1189" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain_1201" xlink:to="us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_1202" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="116.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_SharePrice_1694" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="33.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_SharesIssuedPricePerShare_1239" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="us-gaap_StatementEquityComponentsAxis_1206" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="38.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_StockRedeemedOrCalledDuringPeriodShares_1243" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="40.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_StockRedeemedOrCalledDuringPeriodValue_1245" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_OrganizationandBusinessBackgroundDetailsTable_1187" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1188" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="39.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="us-gaap_TemporaryEquityRedemptionPricePerShare_1244" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_ScenarioUnspecifiedDomain_1215" xlink:to="srt_ScenarioForecastMember_1216" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="45.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_WorkingCapitalDeficit_1249" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_UnitsIssuedDuringPeriodSharesNewIssues_1224" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_UnitsIssuedDuringPeriodSharesNewIssued_1218" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="115.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain_1691" xlink:to="kvac_TrustAccountMember_1692" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="20.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionLineItems_1217" xlink:to="kvac_TransactionCost_1226" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_1254" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_1255" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_1259" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_1257" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_1258" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_1699" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PrivateWarrantsMember" xlink:label="kvac_PrivateWarrantsMember_1256" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_SummaryofSignificantAccountingPoliciesDetailsTable" xlink:label="kvac_SummaryofSignificantAccountingPoliciesDetailsTable_1253" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract_1252" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_1696" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits_1697" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesDetailsTable_1253" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_1254" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis_1254" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_1255" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_1257" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_1259" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesDetailsTable_1253" xlink:to="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_1257" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_1257" xlink:to="us-gaap_TemporaryEquitySharesOutstanding_1258" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="120.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_1257" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_1699" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1255" xlink:to="kvac_PrivateWarrantsMember_1256" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1252" xlink:to="kvac_SummaryofSignificantAccountingPoliciesDetailsTable_1253" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_1257" xlink:to="us-gaap_CashEquivalentsAtCarryingValue_1696" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="118.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_1257" xlink:to="us-gaap_UnrecognizedTaxBenefits_1697" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/ShareholdersDeficitDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PercentageOfMarketValue" xlink:label="kvac_PercentageOfMarketValue_1361" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PriceThresholdFairMarketValueOfExerciseOfWarrants" xlink:label="kvac_PriceThresholdFairMarketValueOfExerciseOfWarrants_1358" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPrice" xlink:label="kvac_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPrice_1356" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ProceedsToBeUsedForBusinessCombinationAsAPercentageOfTotalCapitalRaising" xlink:label="kvac_ProceedsToBeUsedForBusinessCombinationAsAPercentageOfTotalCapitalRaising_1357" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PublicWarrantMember" xlink:label="kvac_PublicWarrantMember_1336" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_RedemptionTriggerPrice" xlink:label="kvac_RedemptionTriggerPrice_1360" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ShareholdersDeficitDetailsTable" xlink:label="kvac_ShareholdersDeficitDetailsTable_1326" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ThresholdPeriodForEffectiveWithInStatementAfterBusinessCombination" xlink:label="kvac_ThresholdPeriodForEffectiveWithInStatementAfterBusinessCombination_1348" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ThresholdPeriodForNotEffectiveWithinStatementAfterBusinessCombination" xlink:label="kvac_ThresholdPeriodForNotEffectiveWithinStatementAfterBusinessCombination_1349" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems_1337" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_1333" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_1334" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1347" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1346" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="us-gaap_RelatedPartyTransactionDomain_1331" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis_1327" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesIssued" xlink:label="us-gaap_TemporaryEquitySharesIssued_1343" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_1344" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WarrantMember" xlink:label="us-gaap_WarrantMember_1335" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WarrantsAndRightsOutstandingTerm" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_1350" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" xlink:label="kvac_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights_1351" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_FounderShares1Member" xlink:label="kvac_FounderShares1Member_1332" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_MinimumThresholdPriceOfCommonStockSpecifiedToSendNoticeOfRedemptionToTheWarrantHolders" xlink:label="kvac_MinimumThresholdPriceOfCommonStockSpecifiedToSendNoticeOfRedemptionToTheWarrantHolders_1353" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_NumberOfTradingDaysAfterCompletionOfBusinessCombination" xlink:label="kvac_NumberOfTradingDaysAfterCompletionOfBusinessCombination_1363" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_NumberOfTradingDaysStartingPriorDateOfConsummationOfBusinessCombination" xlink:label="kvac_NumberOfTradingDaysStartingPriorDateOfConsummationOfBusinessCombination_1362" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PercentageOfExercisePriceWarrants" xlink:label="kvac_PercentageOfExercisePriceWarrants_1359" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PercentageOfIssuedAndOutstandingShares" xlink:label="kvac_PercentageOfIssuedAndOutstandingShares_1345" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants" xlink:label="kvac_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants_1352" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays" xlink:label="kvac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays_1355" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" xlink:label="kvac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays_1354" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember_1329" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_1339" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized_1338" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued_1341" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding_1342" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockVotingRights" xlink:label="us-gaap_CommonStockVotingRights_1340" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityAbstract" xlink:label="us-gaap_EquityAbstract_1325" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1328" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="us-gaap_RelatedPartyTransactionAxis_1330" />
    <link:presentationArc xlink:type="arc" order="33.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_PercentageOfMarketValue_1361" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="30.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_PriceThresholdFairMarketValueOfExerciseOfWarrants_1358" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="28.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPrice_1356" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="29.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_ProceedsToBeUsedForBusinessCombinationAsAPercentageOfTotalCapitalRaising_1357" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1334" xlink:to="kvac_PublicWarrantMember_1336" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="32.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_RedemptionTriggerPrice_1360" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityAbstract_1325" xlink:to="kvac_ShareholdersDeficitDetailsTable_1326" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="20.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_ThresholdPeriodForEffectiveWithInStatementAfterBusinessCombination_1348" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="21.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_ThresholdPeriodForNotEffectiveWithinStatementAfterBusinessCombination_1349" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_ShareholdersDeficitDetailsTable_1326" xlink:to="us-gaap_ClassOfStockLineItems_1337" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_ShareholdersDeficitDetailsTable_1326" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_1333" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis_1333" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_1334" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="19.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1347" preferredLabel="http://www.xbrl.org/2009/role/netLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1346" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionAxis_1330" xlink:to="us-gaap_RelatedPartyTransactionDomain_1331" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_ShareholdersDeficitDetailsTable_1326" xlink:to="us-gaap_StatementEquityComponentsAxis_1327" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_TemporaryEquitySharesIssued_1343" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_TemporaryEquitySharesOutstanding_1344" preferredLabel="http://www.xbrl.org/2009/role/netLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1334" xlink:to="us-gaap_WarrantMember_1335" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="22.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_WarrantsAndRightsOutstandingTerm_1350" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="23.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights_1351" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionDomain_1331" xlink:to="kvac_FounderShares1Member_1332" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="25.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_MinimumThresholdPriceOfCommonStockSpecifiedToSendNoticeOfRedemptionToTheWarrantHolders_1353" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="35.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_NumberOfTradingDaysAfterCompletionOfBusinessCombination_1363" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="34.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_NumberOfTradingDaysStartingPriorDateOfConsummationOfBusinessCombination_1362" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="31.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_PercentageOfExercisePriceWarrants_1359" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_PercentageOfIssuedAndOutstandingShares_1345" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="24.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants_1352" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="27.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays_1355" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="26.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="kvac_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays_1354" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain_1328" xlink:to="us-gaap_CommonStockMember_1329" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_1339" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_CommonStockSharesAuthorized_1338" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_CommonStockSharesIssued_1341" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_CommonStockSharesOutstanding_1342" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1337" xlink:to="us-gaap_CommonStockVotingRights_1340" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis_1327" xlink:to="us-gaap_EquityComponentDomain_1328" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_ShareholdersDeficitDetailsTable_1326" xlink:to="us-gaap_RelatedPartyTransactionAxis_1330" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/Cover" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate_1472" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag_1440" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode_1512" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract_1385" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems_1394" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable_1391" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus_1446" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate_1445" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport_1407" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType" xlink:label="dei_DocumentType_1395" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1_1504" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown_1506" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode_1509" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince_1507" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey_1468" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding_1530" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName_1467" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany_1481" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness_1484" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber_1469" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol_1523" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber_1513" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle_1531" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName_1534" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentQuarterlyReport" xlink:label="dei_DocumentQuarterlyReport_1693" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1386" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_UnitsEachConsistingOfOneOrdinaryShareAndOneRedeemableWarrantToAcquireOneOrdinaryShareMember" xlink:label="kvac_UnitsEachConsistingOfOneOrdinaryShareAndOneRedeemableWarrantToAcquireOneOrdinaryShareMember_1388" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_WarrantsEachExercisableForOneOrdinaryShareAtAnExercisePriceOf1150Member" xlink:label="kvac_WarrantsEachExercisableForOneOrdinaryShareAtAnExercisePriceOf1150Member_1390" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1387" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_OrdinaryShares00001ParValueMember" xlink:label="kvac_OrdinaryShares00001ParValueMember_1389" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus_1447" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus_1476" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany_1482" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod_1483" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber_1480" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory_1477" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode_1493" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent_1412" />
    <link:presentationArc xlink:type="arc" order="28.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_CurrentFiscalYearEndDate_1472" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_AmendmentFlag_1440" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="45.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_CityAreaCode_1512" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationTable_1391" xlink:to="dei_DocumentInformationLineItems_1394" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract_1385" xlink:to="dei_DocumentInformationTable_1391" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="20.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_DocumentFiscalYearFocus_1446" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="19.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_DocumentPeriodEndDate_1445" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_DocumentTransitionReport_1407" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_DocumentType_1395" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="41.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityAddressAddressLine1_1504" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="42.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityAddressCityOrTown_1506" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="44.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityAddressPostalZipCode_1509" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="43.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityAddressStateOrProvince_1507" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="24.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityCentralIndexKey_1468" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="40.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityCommonStockSharesOutstanding_1530" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="23.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityRegistrantName_1467" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="32.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityShellCompany_1481" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="34.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntitySmallBusiness_1484" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="26.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityTaxIdentificationNumber_1469" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="38.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_TradingSymbol_1523" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="46.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_LocalPhoneNumber_1513" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="37.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_Security12bTitle_1531" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="39.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_SecurityExchangeName_1534" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_DocumentQuarterlyReport_1693" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationTable_1391" xlink:to="us-gaap_StatementClassOfStockAxis_1386" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain_1387" xlink:to="kvac_UnitsEachConsistingOfOneOrdinaryShareAndOneRedeemableWarrantToAcquireOneOrdinaryShareMember_1388" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain_1387" xlink:to="kvac_WarrantsEachExercisableForOneOrdinaryShareAtAnExercisePriceOf1150Member_1390" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis_1386" xlink:to="us-gaap_ClassOfStockDomain_1387" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain_1387" xlink:to="kvac_OrdinaryShares00001ParValueMember_1389" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="21.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_DocumentFiscalPeriodFocus_1447" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="31.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityCurrentReportingStatus_1476" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="35.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityEmergingGrowthCompany_1482" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="36.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityExTransitionPeriod_1483" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="25.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityFileNumber_1480" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="33.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityFilerCategory_1477" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="27.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityIncorporationStateCountryCode_1493" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems_1394" xlink:to="dei_EntityInteractiveDataCurrent_1412" preferredLabel="http://www.xbrl.org/2003/role/label" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SubsequentEventsDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_1689" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis_1380" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_SubsequentEventsDetailsTable" xlink:label="kvac_SubsequentEventsDetailsTable_1379" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:label="us-gaap_ProceedsFromUnsecuredNotesPayable_1383" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems_1382" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember_1381" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract_1378" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis_1380" xlink:to="us-gaap_SubsequentEventTypeDomain_1689" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SubsequentEventsDetailsTable_1379" xlink:to="us-gaap_SubsequentEventTypeAxis_1380" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventsAbstract_1378" xlink:to="kvac_SubsequentEventsDetailsTable_1379" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems_1382" xlink:to="us-gaap_ProceedsFromUnsecuredNotesPayable_1383" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SubsequentEventsDetailsTable_1379" xlink:to="us-gaap_SubsequentEventLineItems_1382" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain_1689" xlink:to="us-gaap_SubsequentEventMember_1381" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/UnauditedCondensedConsolidatedStatementsofIncome" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_OrdinarySharesSubjectToPossibleRedemptionMember" xlink:label="kvac_OrdinarySharesSubjectToPossibleRedemptionMember_1041" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1040" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss_1050" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense_1049" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_OrdinarySharesNotSubjectToPossibleRedemptionMember" xlink:label="kvac_OrdinarySharesNotSubjectToPossibleRedemptionMember_1042" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1055" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1054" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic_1056" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted_1057" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract_1037" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="us-gaap_OperatingCostsAndExpenses_1044" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherIncomeAbstract" xlink:label="us-gaap_OtherIncomeAbstract_1045" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1039" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1043" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1038" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeDividend" xlink:label="us-gaap_InvestmentIncomeDividend_1700" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain_1040" xlink:to="kvac_OrdinarySharesSubjectToPossibleRedemptionMember_1041" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis_1039" xlink:to="us-gaap_ClassOfStockDomain_1040" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1043" xlink:to="us-gaap_NetIncomeLoss_1050" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAbstract_1045" xlink:to="us-gaap_NonoperatingIncomeExpense_1049" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain_1040" xlink:to="kvac_OrdinarySharesNotSubjectToPossibleRedemptionMember_1042" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1043" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1055" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1043" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1054" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1043" xlink:to="us-gaap_EarningsPerShareBasic_1056" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1043" xlink:to="us-gaap_EarningsPerShareDiluted_1057" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1043" xlink:to="us-gaap_OperatingCostsAndExpenses_1044" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1043" xlink:to="us-gaap_OtherIncomeAbstract_1045" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable_1038" xlink:to="us-gaap_StatementClassOfStockAxis_1039" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable_1038" xlink:to="us-gaap_StatementLineItems_1043" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementAbstract_1037" xlink:to="us-gaap_StatementTable_1038" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherIncomeAbstract_1045" xlink:to="us-gaap_InvestmentIncomeDividend_1700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/ConsolidatedBalanceSheetsParentheticals" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_1031" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_1032" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized_1033" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesIssued" xlink:label="us-gaap_TemporaryEquitySharesIssued_1030" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued_1034" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding_1035" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_1029" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract_1029" xlink:to="us-gaap_TemporaryEquitySharesOutstanding_1031" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract_1029" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_1032" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract_1029" xlink:to="us-gaap_CommonStockSharesAuthorized_1033" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract_1029" xlink:to="us-gaap_TemporaryEquitySharesIssued_1030" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract_1029" xlink:to="us-gaap_CommonStockSharesIssued_1034" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract_1029" xlink:to="us-gaap_CommonStockSharesOutstanding_1035" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/CondensedConsolidatedBalanceSheets" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue_1024" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_1019" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities_1020" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_1027" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent_1018" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract_1014" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent_1017" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNotesPayableCurrent" xlink:label="us-gaap_OtherNotesPayableCurrent_1016" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent" xlink:label="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_1022" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent_1015" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets_1013" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent_1011" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract_1008" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsHeldInTrustNoncurrent" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_1012" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_1009" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies_1021" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="us-gaap_PrepaidExpenseCurrent_1010" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1005" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyMember" xlink:label="us-gaap_RelatedPartyMember_1006" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1004" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_1025" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1007" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_1002" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1003" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_1026" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract_1023" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract_1023" xlink:to="us-gaap_CommonStockValue_1024" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1014" xlink:to="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_1019" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1007" xlink:to="us-gaap_Liabilities_1020" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1007" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_1027" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1014" xlink:to="us-gaap_LiabilitiesCurrent_1018" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1007" xlink:to="us-gaap_LiabilitiesCurrentAbstract_1014" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1014" xlink:to="us-gaap_OtherLiabilitiesCurrent_1017" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1014" xlink:to="us-gaap_OtherNotesPayableCurrent_1016" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1007" xlink:to="us-gaap_TemporaryEquityCarryingAmountAttributableToParent_1022" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract_1014" xlink:to="us-gaap_AccruedLiabilitiesCurrent_1015" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract_1008" xlink:to="us-gaap_Assets_1013" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract_1008" xlink:to="us-gaap_AssetsCurrent_1011" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1007" xlink:to="us-gaap_AssetsCurrentAbstract_1008" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract_1008" xlink:to="us-gaap_AssetsHeldInTrustNoncurrent_1012" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract_1008" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_1009" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1007" xlink:to="us-gaap_CommitmentsAndContingencies_1021" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract_1008" xlink:to="us-gaap_PrepaidExpenseCurrent_1010" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1004" xlink:to="us-gaap_RelatedPartyDomain_1005" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain_1005" xlink:to="us-gaap_RelatedPartyMember_1006" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable_1003" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_1004" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract_1023" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_1025" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable_1003" xlink:to="us-gaap_StatementLineItems_1007" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract_1002" xlink:to="us-gaap_StatementTable_1003" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract_1023" xlink:to="us-gaap_StockholdersEquity_1026" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1007" xlink:to="us-gaap_StockholdersEquityAbstract_1023" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/UnauditedCondensedConsolidatedStatementsofCashFlows" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromNotesPayable" xlink:label="us-gaap_ProceedsFromNotesPayable_1092" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="us-gaap_ProceedsFromRelatedPartyDebt_1091" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1097" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_1083" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1081" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_1082" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeDividend" xlink:label="us-gaap_InvestmentIncomeDividend_1080" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_AccruedUnderwritingCompensations" xlink:label="kvac_AccruedUnderwritingCompensations_1098" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_CashWithdrawnFromTrustAccountInConnectionToRedemption" xlink:label="kvac_CashWithdrawnFromTrustAccountInConnectionToRedemption_1086" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1078" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1096" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1095" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_1094" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_1093" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1089" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_1088" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1085" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_1084" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1076" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract_1075" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss_1077" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_1090" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="us-gaap_PaymentsToAcquireInvestments_1087" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1089" xlink:to="us-gaap_ProceedsFromNotesPayable_1092" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1089" xlink:to="us-gaap_ProceedsFromRelatedPartyDebt_1091" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1097" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1081" xlink:to="us-gaap_IncreaseDecreaseInAccruedLiabilities_1083" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1081" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1081" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_1082" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1078" xlink:to="us-gaap_InvestmentIncomeDividend_1080" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1097" xlink:to="kvac_AccruedUnderwritingCompensations_1098" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1085" xlink:to="kvac_CashWithdrawnFromTrustAccountInConnectionToRedemption_1086" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1078" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1096" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1095" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_1094" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1089" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_1093" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1089" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1085" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_1088" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1085" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1081" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_1084" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract_1075" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1076" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1076" xlink:to="us-gaap_NetIncomeLoss_1077" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1089" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_1090" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1085" xlink:to="us-gaap_PaymentsToAcquireInvestments_1087" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/OrganizationandBusinessBackground" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_1100" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations_1101" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_1100" xlink:to="us-gaap_NatureOfOperations_1101" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SummaryofSignificantAccountingPolicies" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract_1103" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_1104" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AccountingPoliciesAbstract_1103" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_1104" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/InitialPublicOffering" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDisclosuresAbstract" xlink:label="us-gaap_ClassOfStockDisclosuresAbstract_1106" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_InitialPublicOfferingTextBlock" xlink:label="kvac_InitialPublicOfferingTextBlock_1107" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDisclosuresAbstract_1106" xlink:to="kvac_InitialPublicOfferingTextBlock_1107" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/PrivatePlacement" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WarrantsAndRightsNoteDisclosureAbstract" xlink:label="us-gaap_WarrantsAndRightsNoteDisclosureAbstract_1109" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PrivatePlacementsTextBlock" xlink:label="kvac_PrivatePlacementsTextBlock_1110" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WarrantsAndRightsNoteDisclosureAbstract_1109" xlink:to="kvac_PrivatePlacementsTextBlock_1110" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/CommitmentsandContingenciesDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_CommitmentsandContingenciesDetailsTable" xlink:label="kvac_CommitmentsandContingenciesDetailsTable_1366" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_UnderwriterAgreementMember" xlink:label="kvac_UnderwriterAgreementMember_1368" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1681" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1365" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_1371" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="us-gaap_OtherCommitmentsLineItems_1369" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis_1367" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnderwritingExpenseRatio" xlink:label="us-gaap_UnderwritingExpenseRatio_1370" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1365" xlink:to="kvac_CommitmentsandContingenciesDetailsTable_1366" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1681" xlink:to="kvac_UnderwriterAgreementMember_1368" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfArrangementAxis_1367" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1681" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherCommitmentsLineItems_1369" xlink:to="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_1371" preferredLabel="http://www.xbrl.org/2009/role/netLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_CommitmentsandContingenciesDetailsTable_1366" xlink:to="us-gaap_OtherCommitmentsLineItems_1369" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_CommitmentsandContingenciesDetailsTable_1366" xlink:to="us-gaap_TypeOfArrangementAxis_1367" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherCommitmentsLineItems_1369" xlink:to="us-gaap_UnderwritingExpenseRatio_1370" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/UnauditedCondensedConsolidatedStatementsofChangesinShareholdersDeficit" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember_1062" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1065" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss_1071" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember_1064" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding_1073" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding_1068" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis_1061" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems_1066" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_1059" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable_1060" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_1072" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_1067" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityAccretionToRedemptionValue" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValue_1070" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis_1061" xlink:to="us-gaap_CommonStockMember_1062" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis_1061" xlink:to="us-gaap_EquityComponentDomain_1065" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="16.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1066" xlink:to="us-gaap_NetIncomeLoss_1071" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis_1061" xlink:to="us-gaap_RetainedEarningsMember_1064" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="18.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1066" xlink:to="us-gaap_SharesOutstanding_1073" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1066" xlink:to="us-gaap_SharesOutstanding_1068" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable_1060" xlink:to="us-gaap_StatementEquityComponentsAxis_1061" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable_1060" xlink:to="us-gaap_StatementLineItems_1066" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract_1059" xlink:to="us-gaap_StatementTable_1060" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="17.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1066" xlink:to="us-gaap_StockholdersEquity_1072" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1066" xlink:to="us-gaap_StockholdersEquity_1067" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems_1066" xlink:to="us-gaap_TemporaryEquityAccretionToRedemptionValue_1070" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/ShareholdersDeficit" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityAbstract" xlink:label="us-gaap_EquityAbstract_1115" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_1116" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityAbstract_1115" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_1116" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/CommitmentsandContingencies" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1118" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1119" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1118" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_1119" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SegmentInformation" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract_1121" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_1122" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract_1121" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_1122" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SubsequentEvents" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract_1124" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock_1125" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventsAbstract_1124" xlink:to="us-gaap_SubsequentEventsTextBlock_1125" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsTable" xlink:label="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsTable_1172" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic_1183" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted_1184" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterestAndDividend" xlink:label="us-gaap_InvestmentIncomeInterestAndDividend_1178" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1180" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_1177" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses_1179" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis_1173" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1182" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1181" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_NonRedeemableOrdinaryShareMember" xlink:label="kvac_NonRedeemableOrdinaryShareMember_1175" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_RedeemableOrdinaryShareMember" xlink:label="kvac_RedeemableOrdinaryShareMember_1174" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1680" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_ScheduleOfUnauditedCondensedConsolidatedStatementsOfIncomeAndComprehensiveIncomeAbstract" xlink:label="kvac_ScheduleOfUnauditedCondensedConsolidatedStatementsOfIncomeAndComprehensiveIncomeAbstract_1171" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsLineItems" xlink:label="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsLineItems_1176" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_ScheduleOfUnauditedCondensedConsolidatedStatementsOfIncomeAndComprehensiveIncomeAbstract_1171" xlink:to="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsTable_1172" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1181" xlink:to="us-gaap_EarningsPerShareBasic_1183" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1181" xlink:to="us-gaap_EarningsPerShareDiluted_1184" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_1177" xlink:to="us-gaap_InvestmentIncomeInterestAndDividend_1178" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_1177" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1180" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsLineItems_1176" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_1177" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_1177" xlink:to="us-gaap_OperatingExpenses_1179" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsTable_1172" xlink:to="us-gaap_StatementClassOfStockAxis_1173" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1181" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1182" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsLineItems_1176" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract_1181" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain_1680" xlink:to="kvac_NonRedeemableOrdinaryShareMember_1175" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain_1680" xlink:to="kvac_RedeemableOrdinaryShareMember_1174" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis_1173" xlink:to="us-gaap_ClassOfStockDomain_1680" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsTable_1172" xlink:to="kvac_SummaryofSignificantAccountingPoliciesScheduleofUnauditedCondensedConsolidatedStatementsofIncomeandComprehensiveIncomeDetailsLineItems_1176" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/InitialPublicOfferingDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems_1271" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_1268" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_1269" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1277" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1276" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IPOMember" xlink:label="us-gaap_IPOMember_1265" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="us-gaap_OverAllotmentOptionMember_1266" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_1264" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare_1274" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_1273" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_1263" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_InitialPublicOfferingDetailsTable" xlink:label="kvac_InitialPublicOfferingDetailsTable_1262" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_NumberOfSharesIssuedPerUnit" xlink:label="kvac_NumberOfSharesIssuedPerUnit_1275" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PublicShareMember" xlink:label="kvac_PublicShareMember_1267" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_PublicWarrantMember" xlink:label="kvac_PublicWarrantMember_1270" />
    <link:loc xlink:type="locator" xlink:href="kvac-20260331.xsd#kvac_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="kvac_UnitsIssuedDuringPeriodSharesNewIssues_1272" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDisclosuresAbstract" xlink:label="us-gaap_ClassOfStockDisclosuresAbstract_1261" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_InitialPublicOfferingDetailsTable_1262" xlink:to="us-gaap_ClassOfStockLineItems_1271" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_InitialPublicOfferingDetailsTable_1262" xlink:to="us-gaap_ClassOfWarrantOrRightAxis_1268" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightAxis_1268" xlink:to="us-gaap_ClassOfWarrantOrRightDomain_1269" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="15.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1271" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1277" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="14.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1271" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_1276" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1264" xlink:to="us-gaap_IPOMember_1265" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1264" xlink:to="us-gaap_OverAllotmentOptionMember_1266" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsidiarySaleOfStockAxis_1263" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_1264" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1271" xlink:to="us-gaap_SharesIssuedPricePerShare_1274" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1271" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_1273" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="kvac_InitialPublicOfferingDetailsTable_1262" xlink:to="us-gaap_SubsidiarySaleOfStockAxis_1263" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDisclosuresAbstract_1261" xlink:to="kvac_InitialPublicOfferingDetailsTable_1262" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1271" xlink:to="kvac_NumberOfSharesIssuedPerUnit_1275" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <link:presentationArc xlink:type="arc" order="13.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain_1264" xlink:to="kvac_PublicShareMember_1267" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfWarrantOrRightDomain_1269" xlink:to="kvac_PublicWarrantMember_1270" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockLineItems_1271" xlink:to="kvac_UnitsIssuedDuringPeriodSharesNewIssues_1272" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/SegmentInformationDetails" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ChiefExecutiveOfficerMember" xlink:label="srt_ChiefExecutiveOfficerMember_1685" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualAxis" xlink:label="srt_TitleOfIndividualAxis_1683" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_1684" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments_1376" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1682" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract_1373" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_1375" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_1374" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems_1686" />
    <link:presentationArc xlink:type="arc" order="109.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_TitleOfIndividualWithRelationshipToEntityDomain_1684" xlink:to="srt_ChiefExecutiveOfficerMember_1685" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="107.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1682" xlink:to="srt_TitleOfIndividualAxis_1683" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="108.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="srt_TitleOfIndividualAxis_1683" xlink:to="srt_TitleOfIndividualWithRelationshipToEntityDomain_1684" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="12.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems_1686" xlink:to="us-gaap_NumberOfOperatingSegments_1376" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="106.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingAbstract_1373" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1682" preferredLabel="http://www.xbrl.org/2003/role/label" />
    <link:presentationArc xlink:type="arc" order="11.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems_1686" xlink:to="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_1375" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems_1686" xlink:to="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_1374" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" order="110.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1682" xlink:to="us-gaap_SegmentReportingInformationLineItems_1686" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
  <link:presentationLink xlink:role="http://kvac.com/20260331/role/RelatedPartyTransactions" xlink:title="presentationLink" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_1112" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_1113" />
    <link:presentationArc xlink:type="arc" order="10.00" priority="1" use="optional" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsAbstract_1112" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_1113" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
</link:linkbase>
