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This Cometic MLS head gasket fits AMC 390/401 Gen-3 V8 engines (4.250 in bore) and uses a multi-layer stainless steel assembly with embossed outer layers coated in Viton. The center shim is uncoated stainless steel to allow thickness control. The construction improves rebound and corrosion resistance, conforms clamp load across the sealing area and reduces bore distortion for reliable combustion sealing.
Cometic AMC 390/401 Gen-3 V8 .070in MLS Cylinder Head Gasket - 4.250in Bore
