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The Cometic MLS head gasket for Chevrolet Mark‑IV Big Block V8 (4.375in bore, .050in) is built from embossed stainless steel layers with Viton-coated outer surfaces and an uncoated shim center that can be varied for thickness. This multilayer construction adds strength, rebounds under load and resists corrosion, while distributing clamp load to minimize bore distortion and deliver dependable sealing without additional sealants.
Cometic Chevrolet Mark-IV Big Block V8 .050in MLS Cylinder Head Gasket - 4.375in Bore
