Cometic Gasket GM LSX Gen-4 SB V8 .071in DST Cyl. HG - 4.165in Bore - 1/2in & 3/8in Studs - RHS

The Cometic Gasket C15743-071 is a Multi-Layer Steel (MLS) head gasket designed for GM LSX Gen-4 Small Block V8 engines using RHS blocks. It measures .071 inches thick and is designed for a 4.165-inch bore, accommodating both 1/2-inch and 3/8-inch head studs. Cometic's MLS gaskets are well-built with multiple layers of stainless steel, helping them seal better under high pressure and temperature, which is crucial for performance LSX engines. The .071-inch thickness is a common choice for mild performance builds, helping to achieve a good compression ratio without going too extreme. The design accounts for the specific stud sizes commonly found in these performance V8 applications. When rebuilding or modifying your LSX engine, especially with RHS blocks, ensuring a proper seal is paramount. This gasket is designed to provide that reliable seal for your engine's top end.