This ACL Race Series main bearing set is produced for VW/Audi 1781cc and 1984cc engines in standard size for high-performance rebuilds. The kit includes six bearings with oil grooves and four without; the #4 journal receives grooves on both sides while the others are grooved on the block side only. These bearings provide correct oiling detail where specified and support repeatable clearance control during engine assembly.
ACL VW/Audi 1781cc/1984cc Standard Size High Performance Main Bearing Set