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The Cometic MLS cylinder head gasket for Chevrolet Mark‑IV Big Block V8 uses embossed stainless steel layers with Viton-coated outer faces and a tailored stainless shim. With a compressed thickness of 0.140" and a 4.320" bore, it provides sealant-free sealing for aluminum-to-aluminum or aluminum-to-iron combinations, resisting shear forces and corrosion while conforming load distribution across the sealing surface.
Cometic Chevrolet Mark-IV Big Block V8 .140in MLS Cylinder Head Gasket - 4.320in Bore
