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The Cometic MLS head gasket for Chevrolet Mark-IV/GM Gen-V/VI big block V8 is a multi-layer steel gasket with a 4.310-inch bore and .080-inch thickness designed for high-output engines and aftermarket heads. Embossed outer layers are coated with Viton to resist heat and corrosion while the stainless steel shim center provides rebound and sealing strength without sealants, suitable for aluminum and cast-iron combinations.
Cometic Chevy Big Block Brodix Big Duke/Big Brodie Heads 4.31in Bore .080in MLS Head Gasket
