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The Cometic MLS head gasket for GM Gen-V/VI Big Block V8 with a 4.375in bore and .056in nominal thickness provides sturdy sealing where big-block durability is required. Multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated center shim combine to resist corrosion and rebound under load. The layered construction spreads clamp load to minimize bore distortion and seals mixed head/block materials without the need for additional sealants.
Cometic GM Gen-V/VI Big Block V8 .056in MLS Cylinder Head Gasket - 4.375in Bore
