Cometic GM LSX Gen-4 small block V8 cylinder head gasket specified at .071" DST thickness with a 4.165" bore and accommodations for 1/2" and 3/8" studs, left-hand side. This gasket matches the dimensional and stud configurations required for Gen-4 LSX small block V8 heads where the .071" DST specification is called for.
Cometic Gasket GM LSX Gen-4 SB V8 .071in DST Cyl. HG - 4.165in Bore - 1/2in & 3/8in Studs - LHS