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Cometic MLS cylinder head gasket for GM Gen-V/VI Big Block V8, configured for a 4.320 in bore with a 0.045 in nominal thickness to support high-output applications. Constructed from multiple embossed stainless steel layers with Viton coating on the outer faces and an uncoated center shim, it handles aluminum-to-aluminum or aluminum-to-iron interfaces and resists shearing. Compressed operating thickness is 0.045 in; the design improves load distribution and reduces clamp load without sealants.
Cometic GM Gen-V/VI Big Block V8 .045in MLS Cylinder Head Gasket - 4.320in Bore
