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The Cometic MLS head gasket for Chevrolet Mark‑IV Big Block V8 (4.375in bore, .045in) features embossed stainless steel layers with Viton-coated outer faces and an uncoated center shim to meet thickness requirements. The multilayer steel construction provides strength, rebound and corrosion resistance while conforming load distribution to reduce clamp load and bore distortion. It seals effectively in demanding environments without needing extra sealants.
Cometic Chevrolet Mark-IV Big Block V8 .045in MLS Cylinder Head Gasket - 4.375in Bore
