Skunk2 Pro Series Honda/Acura H to K Intake Manifold Adapter (Race Only)Skunk2's all new H2K Intake Manifold Adapter now offers H series enthusiasts even more flexibility. Thanks to Skunk2's 6061 T6 billet aluminum manifold adapter, any K series intake manifold, including individual throttle bodies as well as Skunk2's Pro Series manifolds, can be bolted onto any H22A cylinder head. K series intake manifolds feature shorter runners and larger plenums when compared to H series manifolds, yielding better performance as well