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Cometic MLS head gasket for AMC 390/401 Gen‑3 V8, 4.380in bore with .045in thickness, specified for Indy heads with 18‑bolt configuration. Multiple embossed stainless steel layers with Viton‑coated outer faces resist corrosion and rebound after loading; MLS design requires no sealants and tolerates mixed head/block materials. The layered construction helps distribute clamp load and reduce bore distortion.
Cometic AMC 390/401 Gen-3 V8 .045in MLS Cyl Head Gasket-4.380in Bore-With Indy Heads-18 Bolt Head
