1016 0.039 in. Performance Head Gasket for 19591965 Pontiac 389455 V8

Performance head gaskets are quite literally created to tame the fiery combustion chambers of up to 1 000 hp engines Reinforced with fiber and engineered to give you a perfect seal that can withstand combustion pressures of 1 500 to 3 000 psi They have a conformable anti stick coating and are constructed with pre flattened copper or steel rings to make these gaskets easy to install while also giving them the strength to tame your beastly power plant Their anti stick coating ensures easy removal and cleanup on frequent rebuilds but they also aid in micro sealing minor surface irregularities Put a set of these fel Pro performance head gaskets in that engine not only to help it perform better today but to make your next engine project that much easier Compatibility 1959 1965 Pontiac 389 455 V8 Specifications Gasket Material Steel core laminate Thickness 0 039" Bore Size 4 300"