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Cometic MLS cylinder head gasket for Chevrolet Mark-IV Big Block V8 with a 4.375in bore and .075in compressed thickness. Multi-layer stainless steel construction with embossed outer layers coated in Viton creates a corrosion-resistant seal that requires no sealants and resists shear between dissimilar head and block materials. The uncoated center shim supports thickness variation while embossed layers distribute load and reduce clamp requirements.
Cometic Chevrolet Mark-IV Big Block V8 .075in MLS Cylinder Head Gasket - 4.375in Bore
