
Cometic MLS head gasket for GM LSX Gen‑4 small block V8 with a 4.125" bore and nominal .056 in thickness, left-hand side for 18-bolt heads. It provides a no-sealant sealing solution for aluminum head combinations with aluminum or cast-iron blocks. The gasket uses embossed multi-layer stainless steel and Viton-coated outer layers with an uncoated center shim to resist corrosion, distribute load evenly and reduce clamp load to limit bore distortion.
Cometic GM LSX Gen-4 Small Block V8 .056in MLS Cylinder Head Gasket - 4.125in Bore - LHS