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This Cometic MLS cylinder head gasket fits AMC 390/401 Gen-3 V8 engines with a 4.250 in bore and 0.045 in compressed thickness. Its multi-layer stainless steel construction uses embossed outer layers coated with Viton to resist heat and harsh sealing environments. The center shim is uncoated stainless steel to allow controlled thickness options while the design helps distribute load and limit bore distortion under clamp.
Cometic AMC 390/401 Gen-3 V8 .045in MLS Cylinder Head Gasket - 4.250in Bore
