ACL main bearing set for Volkswagen 1595–1781–1984cc 4-cylinder engines from 1983 onward, supplied with a mix of grooved and ungrooved shells to match factory oiling. The set includes six bearings with oil grooves and four without; the #4 journal receives oil grooves on both sides. See shell diagrams for journal-specific installation during crankshaft assembly.
ACL VW 4 1595-1781-1984cc 1983 on Engine Crankshaft Main Bearing Set