0002095297 2026-03-30 2026-03-30 0002095297 cik0002095297:UnitsEachConsistingOfOneClassOrdinaryShare0.0001ParValueAndOnesixthOfOneWarrantMember 2026-03-30 2026-03-30 0002095297 cik0002095297:ClassOrdinarySharesParValue0.0001PerShareMember 2026-03-30 2026-03-30 0002095297 cik0002095297:WarrantsExercisableForOneClassOrdinaryShareAtExercisePriceOf11.50PerShareMember 2026-03-30 2026-03-30 false --12-31 0002095297 8-K 2026-03-30 KPET Ultra Paceline Corporation E9 001-43216 98-1888520 5109 S. Broadband Lane Sioux Falls SD 57108 605 308-0233 false false false false Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-sixth of one warrant KPET.U NYSE Class A ordinary shares, par value $0.0001 per share KPET NYSE Warrants, exercisable for one Class A ordinary share at an exercise price of $11.50 per share KPET.WS NYSE true false