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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 .027" 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 manage harsh sealing environments while an uncoated stainless shim layer allows thickness variation and improves distribution of clamp load.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .027in MLS Cylinder Head Gasket - 4.530in Bore
