ACL Race Series main bearing set for Ford V8 engines in 255–289–302 families. Designed for race-focused rebuilds, this crankshaft main bearing set provides the shells required to restore crank support and oil clearance in these small-block Ford V8s. Use it when rebuilding or refreshing an engine where endurance under demanding conditions is expected and accurate clearances matter.

ACL Ford Prod. V8 255-289-302 Race Series Engine Crankshaft Main Bearing Set