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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 .086" 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 withstand demanding sealing environments while an uncoated stainless shim layer allows thickness adjustment and improved load distribution to reduce distortion.
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .086in MLS Cylinder Head Gasket - 4.530in Bore
