Skunk2 Adapter Plate for H22 with RBC Intake Manifold & Thermal Gasket Fits: Honda H22 Engines Description: Skunk2 adapter plate for bolting the RBC intake manifold from the K20 to the H22 cylinder head. One of the best dollar for dollar upgrades for any H22 engine. 12-15whp is an average gain. Skunk2 Pro Series Honda/Acura […]