The ACL main bearing set for VW 4-cylinder engines (1,595–1,984cc, 1983 onward) supplies the main shells needed for crankshaft service. The set includes six bearings with oil grooves and four without; journal #4 receives a groove on both sides while the remainder are grooved on the block side only. This layout supports correct oiling and journal clearance in the listed VW applications.
ACL VW 4 1595-1781-1984cc 1983 on Engine Crankshaft Main Bearing Set