
Cometic MLS head gasket for GM LSX Gen‑4 small‑block V8 (right side), 4.125" bore with a compressed thickness of 0.051". It’s a multi‑layer stainless steel gasket with embossed outer layers coated in Viton and an uncoated stainless center shim for precise thickness control. Built for aluminum-to-aluminum or aluminum-to-cast-iron applications, it seals without sealants, fits 18-bolt heads, resists corrosion and requires less clamp load.
Cometic GM LSX Mclaren 4.125in Bore .051 Thickness Right Side Head Gasket