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Cometic MLS cylinder head gasket for Chevrolet Mark-IV Big Block V8 with a 4.540in bore and .027in compressed thickness. The multi-layer stainless steel construction features embossed outer layers coated in Viton for heat and corrosion resistance, providing a reliable seal that requires no sealants and tolerates aluminum-to-aluminum or aluminum-to-iron mating surfaces. The uncoated center shim allows thickness variation while embossed layers help distribute load and lower clamp requirements.
Cometic Chevrolet Mark-IV Big Block V8 .027in MLS Cylinder Head Gasket - 4.540in Bore
