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The Cometic MLS head gasket for Pontiac 400/428/455 V8, nominal .051in thickness and 4.160in bore, is made from multiple embossed stainless-steel layers with Viton-coated outer faces. These MLS gaskets resist corrosion, provide rebound ability between materials, and conform load distribution across the sealing area; compressed operating thickness is about 0.027in and the design is intended for high-output engines without added sealants.
Cometic Pontiac 400/428/455 V8 .051in MLS Cylinder 4.160in Bore
