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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV Big Block V8 is designed for 4.580in bore applications and a compressed thickness of 0.056in. Multiple embossed stainless layers with Viton-coated outer faces and an uncoated stainless shim provide corrosion resistance and the ability to rebound under load. MLS construction seals without additional sealants, tolerates material shear between aluminum and iron, and helps limit bore distortion by distributing clamp load.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .056in MLS Cylinder Head Gasket-4.580in Bore
