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The Cometic MLS head gasket for Pontiac 400/428/455 V8, nominal .045in thickness and 4.160in bore, features multiple embossed stainless-steel layers with Viton-coated outer layers for heat- and fluid-resistant sealing. MLS construction offers increased strength, rebound and corrosion resistance; the center shim layer can be varied for thickness requirements and the design’s compressed operating thickness is approximately 0.027in without the need for sealants.
Cometic Pontiac 400/428/455 V8 .045in MLS Cylinder 4.160in Bore
