149M 4.6L Main Bearings
Today's engines operate under very demanding conditions. When these engines are used in performance applications, all components are pushed to their limits, and many must be changed to meet these special demands. Federal Mogul, a longtime supplier to both OEM and the aftermarket, has responded to this challenge with its tri-metal, copper-lead, high performance main bearing sets. They're tested in the lab and proven on the track.
