The ACL main bearing set for Ford V6 engines covering 159–177–171 displacements lists coverage for 1972–1990 cars and 1986–1989 trucks, and includes a flanged thrust bearing shell. This crankshaft main set restores axial control and proper oil clearance in the bottom end during rebuilds. Use it when servicing crank alignment and thrust surfaces to recover correct end play and smooth rotation.
ACL Ford Prod. V6 159-171-177 1972-90 Engine Crankshaft Main Bearing Set