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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 .072" 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 handle heat and varied finishes while an uncoated stainless shim layer allows thickness customization and improves load conformity to reduce bore distortion.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .072in MLS Cylinder Head Gasket - 4.530in Bore
