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Cometic MLS cylinder head gasket for Chevrolet Mark-IV Big Block V8 with a 4.540in bore and .045in compressed thickness. Its multi-layer stainless steel build and embossed outer layers coated with Viton create a corrosion-resistant seal that needs no sealants and resists the shear of mixed head/block materials. The uncoated center shim enables thickness variation while embossed faces improve load distribution and reduce clamp load on the sealing surface.
Cometic Chevrolet Mark-IV Big Block V8 .045in MLS Cylinder Head Gasket - 4.540in Bore
