ACL RACE Series performance engine bearings is 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 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 endurance and capability to perform where others cannot. These exceptional bearings are available for a variety of American, Asian and European performance engines.