BILLET FRONT BEARING PLATE GMC 6-71 CNC machined from 6061 T-6 aluminum. These bearing plates are polished and use standard .308″ dowel pins. They are non-symmetrical and designed to work with standard GMC 6-71 style cases. These plates include Heavy Duty Bearing retainers, .308″ pins, O-rings and mounting hardware. Note: Bearings and Seals not included.