The Skunk2 Ultra Street plenum gasket is a replacement plenum gasket for B/K series Skunk2 manifolds intended for Honda and Acura B/K engines. It is specified for use between the plenum and plenum base adapter or between spacers, providing a correct sealing interface for Ultra Street manifold installations on supported B/K engines and helping maintain proper intake plenum sealing where required.
Skunk2 Honda and Acura Ultra Street Manifold Plenum Gasket - B/K