Skunk2 Intake Manifold K to H Series Adapter - Honda K to H Series - 307-05-0305Skunk2's K to H Intake Manifold Adapter now offers H22A and F20B owners even more flexibility. The Skunk2 billet aluminum manifold adapter allows K series intake manifolds, including individual throttle bodies, to be bolted onto any H style cylinder head. K series intake manifolds feature shorter runners and larger plenums when compared to H series manifolds, yielding better performance as well as increased hood and firewall clearance. K to H Intake