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The Cometic MLS cylinder head gasket for GM/Mercury Marine Big Block V8 Gen-IV/V/VI is a multi-layer steel head gasket that seals high-output engines. This .045" nominal gasket with a 4.530" bore installs with four bolts in the lifter valley and requires no sealants. Embossed stainless outer layers coated with Viton resist corrosive and thermal stresses while an uncoated stainless shim layer permits tailored thickness and consistent clamp load distribution.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .045in MLS Cylinder Head Gasket - 4.530in Bore
