BBK 1601 BBK Ford 5.0 SSI EFI Intake Manifold Gasket Kit BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built Premium Gasket Material Ensures Leak Free Seal Every Time Port Matched For Optimum Air Flow Designed for Higher Temperature Performance Applications Sold as a Pair, Fits Between Upper and Lower Intake Manifold on all BBK Ssi Ford Sb Intake Manifolds