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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 4.580" bore installs with four bolts in the lifter valley and requires no sealants. Embossed stainless outer layers coated with Viton resist heat and corrosive conditions while an uncoated stainless shim layer allows thickness variation and helps distribute clamp loads evenly for improved sealing.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .036in MLS Cylinder Head Gasket - 4.580in Bore
