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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV big block V8 applications (4.500in bore) is specified at .027in nominal thickness with two slotted lifter valley bolts. Multiple embossed stainless layers with Viton‑coated outer faces provide corrosion resistance and rebound, sealing aluminum-to-aluminum or aluminum-to-iron interfaces without sealants while improving clamp load distribution to limit bore distortion.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .027in MLS Cylinder Head Gasket
