2" H22 Intake Plenum Spacer (IACV Compatible)

Unlike our traditional spacers, this 2" spacer is designed to accommodate the iacv port in a factory upper intake plenum.  Full open spacers leave the iacv ports exposed on the inside of the manifold, but this spacer is cut with a profile that will block the exposed port while still being as open and free flowing as possible.  **Though possible to run in place of the factory IAB plate, to get the full benefit these should be ran with a modified upper and lower intake plenums.  These are about 1" taller than your oem IAB plate so you will want to make sure you have adequate clearance between the manifold and the hood.  (note: 1" spacer is shown in the pictures currently)