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Cometic's .066" MLS cylinder head gasket is specified for Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 applications with a 4.570" bore. The multi-layer stainless construction with Viton-coated outer layers handles high cylinder pressures and differing head/block materials without sealants. Suitable for Brodix Big Duke/Brodie heads, it offers rebound under load, corrosion resistance and the ability to vary shim thickness for fitment needs.
Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .066in MLS Cylinder Head Gasket - 4.570in Bore
