
The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV Big Block V8 is made for 4.580in bore applications with a compressed thickness of 0.120in. Its multi-layer stainless construction combines embossed, Viton-coated outer layers with an uncoated center shim and AMP coatings to provide corrosion resistance and rebound. MLS gaskets seal without additional sealants and help distribute clamp load to reduce bore distortion across dissimilar materials.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .120in MLS Cylinder Head Gasket-4.580in Bore