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The Cometic MLS head gasket for Pontiac 400/428/455 V8 (4.160in bore, .120in thickness) uses multiple embossed stainless steel layers with Viton-coated outer faces to provide high sealing performance. Compressed operating thickness is 0.098", and the MLS construction offers rebound and corrosion resistance while requiring no sealants. It's specified for high-output engines and for aluminum-to-aluminum or aluminum-to-cast-iron head interfaces.
Cometic Pontiac 400/428/455 V8 4.160in Bore .120in MLS Cylinder Head Gasket
