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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV big block V8s is a .066 inch multi-layer steel head gasket with a 4.530 inch bore and two slotted lifter valley bolts, aimed at demanding sealing environments. Embossed outer layers coated with Viton and a center uncoated stainless shim provide rebound, corrosion resistance, and the ability to conform to varied flange conditions while eliminating the need for sealants.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .066in MLS Cylinder Head Gasket-4.530in Bore
