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Cometic MLS cylinder head gasket for GM Gen-V/VI Big Block V8, set for a 4.320 in bore with a 0.040 in nominal thickness to provide dependable sealing. Embossed outer layers are coated with Viton on both sides and an uncoated stainless shim provides thickness control. Compressed operating thickness is 0.040 in. The multi-layer steel assembly resists corrosion and shear, conforms load across the gasket area, and reduces required clamp load without the need for sealants.
Cometic GM Gen-V/VI Big Block V8 .040in MLS Cylinder Head Gasket - 4.320in Bore
