The ACL crankshaft main bearing set is made for Ford truck inline-six engines in 240–300 cubic inch families covering 1966–1996 applications. As a main bearing replacement kit, it supplies the bearings needed to support the crankshaft and restore correct oil clearances during engine rebuilds or bottom-end repairs, helping return the engine to reliable operation.
ACL Ford Tr. 6 240-300 1966-96 Engine Crankshaft Main Bearing Set