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Cometic's .066" MLS cylinder head gasket for Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 features a 4.310" bore and embossed stainless construction with Viton-coated outer layers. Suited for Brodix Big Duke/Brodie heads and high-output engines, it seals reliably without sealants, tolerates dissimilar-metal shearing and rebounding under stress. The multi-layer assembly improves load distribution and corrosion resistance.
Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .066in MLS Cylinder Head Gasket - 4.310in Bore
