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Cometic MLS head gasket for GM LSX Gen‑4 small block V8 with a 4.125" bore and nominal .070 in thickness, left-hand side. It seals high-output engines without sealants and suits aluminum heads mated to aluminum or cast-iron blocks. Multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated shim layer provide rebound, corrosion resistance and uniform load distribution while lowering clamp load to help control bore distortion.
Cometic GM LSX Gen-4 Small Block V8 .070in MLS Cylinder Head Gasket - 4.125in Bore - LHS
