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The Cometic MLS head gasket for Chevrolet ZL1 Mark-IV Big Block V8 (4.375" bore, nominal .040") features embossed stainless steel outer layers coated with Viton to meet harsh sealing environments and resist corrosion. Its multi-layer construction provides strength and the ability to rebound under load, making it suitable for aluminum-to-aluminum or aluminum-to-iron applications without additional sealants. The uncoated shim layer can be varied to achieve specific thicknesses.
Cometic Chevrolet ZL1 Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.375in Bore
