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Cometic MLS head gaskets for Chevrolet Mark‑IV Big Block V8 provide multi‑layer stainless steel construction with embossed outer layers coated in Viton and a compressed operating thickness of 0.036" for a 4.630in bore. MLS construction tolerates dissimilar head and block materials, resists corrosion and rebounding forces, and seals high‑output engines without sealants, making these gaskets suitable for serious rebuilds and high‑clamp applications on big‑block V8s.
Cometic Chevrolet Mark-IV Big Block V8 .036in MLS Cylinder Head Gasket 4.630in Bore
