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Cometic's MLS head gasket for AMC 390/401 Gen-3 V8 (4.250 in bore) uses embossed stainless steel outer layers coated in Viton with a center shim of uncoated stainless. The multi-layer construction offers strength, corrosion resistance and the ability to rebound under load, improving clamp load distribution and sealing reliability across a range of surface finishes and material combinations common in high-output engines.
Cometic AMC 390/401 Gen-3 V8 .080in MLS Cylinder Head Gasket - 4.250in Bore
