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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 .036" 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 harsh sealing conditions while an uncoated stainless shim layer allows precise thickness control and even load distribution.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .036in MLS Cylinder Head Gasket - 4.500in Bore
