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Cometic MLS head gasket for Chevrolet Mark-IV Big Block V8, 4.630in bore with a compressed operating thickness of 0.054in. MLS gaskets use multiple embossed layers of AMP-coated and uncoated stainless steel with an uncoated center shim; outer faces are finished with Viton on both sides (heat resistant to 250 C/482 F). This construction provides reliable sealing without sealants, accommodates aluminum-to-aluminum or aluminum-to-cast-iron assemblies, and helps conform load distribution while reducing clamp load and bore distortion.
Cometic Chevrolet Mark-IV Big Block V8 .054in MLS Cylinder Head Gasket - 4.630in Bore
