
Cometic's MLS head gasket for AMC 390/401 Gen-3 V8 (4.380 in bore, 0.060 in compressed thickness) uses embossed outer stainless layers coated in Viton and a center uncoated shim. The design improves clamp load distribution and resilience under load, resisting corrosion and thermal challenges while providing a reliable combustion seal between aluminum heads and aluminum or cast iron blocks.
Cometic AMC 390/401 Gen-3 V8 .060in MLS Cylinder Head Gasket - 4.380in Bore