
The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV Big Block V8 fits 4.580in bore applications and has a compressed thickness of 0.051in. Its multi-layer stainless design combines embossed, Viton-coated outer layers with an uncoated center shim and AMP coatings to resist corrosion and rebound under load. MLS gaskets provide reliable sealing without sealants and help conform load distribution to reduce bore distortion between dissimilar materials.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .051in MLS Cylinder Head Gasket-4.580in Bore