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The Cometic MLS head gasket for Chevrolet Mark-IV Big Block V8, 4.540in bore and .040in compressed thickness, uses multiple embossed stainless steel layers with Viton-coated outer faces. MLS construction provides corrosion resistance, rebound ability, and reliable sealing without sealants, suitable for aluminum-to-aluminum or aluminum-to-iron head/block combinations while offering consistent load distribution and reduced bore distortion.
Cometic Chevrolet Mark-IV Big Block V8 4.540in Bore .040in MLS Cylinder Head Gasket
