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This .075" Cometic MLS cylinder head gasket fits Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 engines with a 4.570" bore. Its embossed stainless layers coated both sides with Viton deliver sealing without sealants for high-output applications, resisting corrosion and accommodating load demands. The center shim can be varied to meet thickness requirements, making it suitable for aftermarket heads and custom configurations.
Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .075in MLS Cylinder Head Gasket - 4.570in Bore
