This a complete bolt in adapter to run a boost-a-pump, boost gauge, or any use of boost reference. NO MORE REMOVING, DRILLING, AND TAPPING your supercharger lid. Comes with billet aluminum adapter, viton o-ring, and stainless steel bolt, everything you need to easily add a reference port. These will fit all year Hellcats, Demons, and Redeyes.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov