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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV big block V8 (4.500in bore) is specified at .060in nominal thickness and includes two slotted lifter valley bolts. Its embossed stainless layers with Viton-coated outer faces resist corrosion and rebound under load, enabling reliable sealing between different materials without sealants while conforming load distribution to reduce bore distortion.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .060in MLS Cylinder Head Gasket
