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The Cometic MLS cylinder head gasket for GM/Mercury Marine Big Block V8 Gen-IV/V/VI fits a 4.530 inch bore with a compressed thickness of 0.040 inch and features four bolts in the lifter valley. Its multi-layer stainless steel construction uses embossed outer layers coated with Viton for heat and chemical resistance, plus an uncoated center shim layer, providing robust sealing for demanding aluminum-to-aluminum or aluminum-to-iron applications.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/V 4.530in Bore .040 inch MLS Head Gasket
