ACL’s Chevrolet LS V8 Short Groove Main Bearing Set suits the Gen III and IV LS small block engine and is now available. Groove length in the upper shell will be approximately 120°, with a plain lower shell. This set will provide another option in addition to the existing 270° grooved set 5M7298H.
New part numbers are:
5M7299H-STD
5M7299H-001
5M7299H-010
5M7299H-020
5M7299HX-STD