ACL Bearings H-Series Main Bearing - Standard - Extra Oil Clearance - Big Block Chevy AA0220BG1R57 ) The Control Head is

) The Control Head is typically placed near the driver

It is 50-state legal

1/2 in NPT Plug

preventing possible damage to the engine

ACL Bearings H-Series Main Bearing - Standard - Extra Oil Clearance - Big Block Chevy AA0220BG1R57 ) The Control Head isACL RACE Series performance engine bearings are recognized as a premier brand throughout the motorsports world. RACE Series rod and main bearings are standard components in Race engines that have set records and won championships from Mexico to Bonneville from sport compact drift racing to small block NASCAR, IHRA and NHRA competitions. The unique combination of design, metallurgy and engineering provides RACE Series performance bearings with the