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The Cometic MLS cylinder head gasket for GM/Mercury Marine 1050 Gen‑IV big block V8s is a .075 inch multi-layer steel head gasket with a 4.530 inch bore and two slotted lifter valley bolts, intended for rigorous sealing needs in high-output builds. Its embossed outer layers coated with Viton and a center uncoated stainless shim layer deliver corrosion resistance, rebound under load, and the capacity to seal mixed-material head and block combinations without sealants.
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .075in MLS Cylinder Head Gasket-4.530in Bore
