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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV big block V8s is a .060 inch multi-layer steel head gasket with a 4.530 inch bore and two slotted lifter valley bolts, designed for high-output applications requiring durable seals. Multiple embossed stainless layers with Viton coating on both sides and an adjustable shim center help the gasket maintain torque set, resist corrosion, and accommodate mixed head/block materials without sealants.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .060in MLS Cylinder Head Gasket-4.530in Bore
