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This .036" Cometic MLS cylinder head gasket suits Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 applications with a 4.570" bore and multi-layer stainless construction featuring Viton-coated outer layers. Engineered to provide gasket sealing without sealants, it handles modern cylinder pressures and mixed-metal assemblies while the center shim layer enables thickness variation for precise sealing and reduced bore distortion.
Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .036in MLS Cylinder Head Gasket - 4.570in Bore
