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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV Big Block V8 is specified for 4.580in bore applications with a compressed operating thickness listed at 0.098in. It features multiple embossed stainless layers, outer Viton coatings and an uncoated center shim with AMP layers to provide rebound, corrosion resistance and reliable sealing without sealants. The MLS design handles material shear and helps distribute clamp load to reduce bore distortion.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .095in MLS Cylinder Head Gasket-4.580in Bore
