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The Cometic AMC 401 MLS head gasket is a multi-layer steel cylinder head gasket with embossed outer layers coated in Viton and a varied uncoated stainless center shim, sized for a 4.380in bore and .040" compressed thickness. Built to resist corrosion and rebound under load, this MLS gasket is intended for high output engines and applications where aluminum heads meet aluminum or cast iron blocks, offering strong sealing without sealants.
Cometic AMC 401 for Aftermarket Heads 4.380in Bore .040in MLS Head Gasket
