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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 .070" nominal gasket with a 4.500" bore installs with four bolts in the lifter valley and requires no sealants. Embossed stainless outer layers coated with Viton manage heat and surface finish demands while an uncoated stainless shim layer supports thickness control and consistent load distribution.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .070in MLS Cylinder Head Gasket - 4.500in Bore
