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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 .030" 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 heat and varied surface finishes while an uncoated stainless shim layer permits thickness customization and helps spread clamp loads evenly.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .030in MLS Cylinder Head Gasket - 4.530in Bore
