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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV Big Block V8 is intended for 4.580in bore applications; market information lists a compressed operating thickness of 0.098in. Multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated center shim provide corrosion resistance, rebound and consistent sealing without sealants. The layered MLS construction tolerates material shear and helps spread clamp load to limit bore distortion.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .084in MLS Cylinder Head Gasket-4.580in Bore
