Cometic's GM LSX Gen-4 small block V8 cylinder head gasket is a .071" DST unit for a 4.165" bore, accommodating both 1/2" and 3/8" studs and identified for the right-hand side. This gasket matches the listed bore and stud specifications for compatible Gen-4 LSX applications and offers a direct-fit replacement when those dimensions are required.
Cometic Gasket GM LSX Gen-4 SB V8 .071in DST Cyl. HG - 4.165in Bore - 1/2in & 3/8in Studs - RHS