Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
Cometic MLS head gasket for GM LSX Gen‑4 small block V8 with a 4.125" bore and nominal .140 in thickness, right-hand side. Designed for demanding sealing environments, it requires no sealants and works with aluminum heads on aluminum or cast-iron blocks. Multiple embossed stainless steel layers with Viton-coated outer surfaces and an uncoated shim enable rebound, corrosion resistance, uniform load distribution and reduced clamp load to limit bore distortion.
Cometic GM LSX Gen-4 Small Block V8 .140in MLS Cylinder Head Gasket - 4.125in Bore - RHS
