BBK 1575 1-5/8" Premium Exhaust Header Gaskets Kit for Ford 302/351, (Pair) BBK is your Number One Aftermarket Performance Brand in the USA - American Designed and Built Premium Graphite Material Ensures Leak Free Seal Every Time Port Matched For Optimum Flow of All 1-5/8 Exhaust Headers Designed for Higher Temperature Performance Applications Sold as a Pair