The Cometic MLS cylinder head gasket for AMC 390/401 Gen-3 V8 (4.250 in bore) combines embossed outer stainless steel layers with Viton coating and an uncoated center shim. The assembly is made to withstand harsh sealing environments and varied load conditions, offering improved rebound and corrosion resistance while helping reduce bore distortion by distributing clamp forces more uniformly across the sealing surface.
Cometic AMC 390/401 Gen-3 V8 .098in MLS Cylinder Head Gasket - 4.250in Bore