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Cometic MLS cylinder head gasket for Chevrolet Mark-IV Big Block V8 with a 4.540in bore and .042in compressed thickness. Multiple stainless steel layers with embossed, Viton-coated outer faces provide a corrosion- and heat-resistant sealing surface that requires no sealants and endures the shear between differing head and block materials. The uncoated center shim accommodates thickness choices while embossed layers conform to surfaces and distribute load more evenly.
Cometic Chevrolet Mark-IV Big Block V8 .042in MLS Cylinder Head Gasket - 4.540in Bore
