ACL 4G63/4 Standard Size RHR Balance Shaft Bearing 3BS8389A-STD Iconic Fabrication Offroad M-6007-A50SCA and truck engines require

M-6007-A50SCA and truck engines require custom calibration

1986GmcC3500 Pickup

340 Stealth Gen 2

Bump Stop Size: 2

500 lbs and lift by ~1"

ACL 4G63/4 Standard Size RHR Balance Shaft Bearing 3BS8389A-STD Iconic Fabrication Offroad M-6007-A50SCA and truck engines requireACL Uncategorized 3BS8389A STD ACL 4G63 4 Standard Size RHR Balance Shaft Bearing About ACL ACL 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 cmpetitions. The unique combination of