ACL Sr20 Race Rod Bear .25 (.010) ACL 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. Experience the top-performing, championship-winning performance of ACL engine bearings. Our RACE series rod and main bearings are trusted by top race teams and drivers for their precision and reliability. Upgrade your engine with the ultimate in performance and results.