H Series to K Series Intake Manifold Adapter For Honda AcuraH Series to K Series Intake Manifold Adapter For Honda Acura Pro Series H2K K2H This billet aluminum intake manifold spacer will allow the user to bolt virtually (some may require modification) any K Series intake manifold directly onto your H Series Engine. Intake manifold adapter flange Fits K Series intake manifolds onto H Series H22 Engines Includes hardware