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Cometic MLS head gasket for AMC 390/401 Gen‑3 V8 is a multi‑layer steel gasket with embossed outer layers coated in Viton, specified at .027 in. compressed thickness and a 4.250 in. bore. MLS construction provides rebound, corrosion resistance and the ability to seal aluminum‑to‑aluminum or aluminum‑to‑iron interfaces without sealants. The center shim layer is uncoated stainless steel and the gasket is built to distribute clamp load across the sealing area.
Cometic AMC 390/401 Gen-3 V8 4.250in Bore .027in MLS Cylinder Head Gasket
