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The Cometic MLS head gasket for Chevrolet Mark‑IV Big Block V8 (4.320" bore, .056" compressed thickness) is a multi-layer steel cylinder head gasket that seals combustion and coolant passages without additional sealants. Embossed outer layers are Viton-coated to meet demanding sealing conditions and finishes; the uncoated stainless shim controls thickness. MLS construction rebounds, resists corrosion and evens clamp load to reduce distortion.
Cometic Chevrolet Mark-IV Big Block V8 .056in MLS Cylinder Head Gasket - 4.320in Bore
