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Cometic's .120" MLS cylinder head gasket for Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 carries a 4.310" bore and multi-embossed stainless layers with Viton coating. Intended for Brodix Big Duke/Brodie heads and other aftermarket setups, it provides sealant-free sealing under high loads and temperatures, withstands material shearing and offers rebound and corrosion resistance while allowing shim variation for precise sealing.
Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .120in MLS Cylinder Head Gasket - 4.310in Bore
