Chevrolet LS V8 Short Groove Main Set
Now available is a Main Bearing set with a shortened groove to suit
the Generation III and IV LS small block engine. 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