Cometic MLS head gaskets for Ford Windsor V8 with a 4.200in bore (.045in thickness) use multiple embossed stainless steel layers with Viton-coated outer faces to provide robust sealing without sealants. The center shim layer is uncoated stainless steel for thickness control; compressed operating thickness is 0.098". These MLS gaskets are intended for high-output engines and accept aluminum-to-aluminum or aluminum-to-iron head applications.
Cometic Ford Windsor V8 4.200in Bore .045in MLS Cylinder Head Gasket w/ AFR Heads