This Kyosho factory replacement rear center drive shaft cup is made from steel and is designed for the Fazer Mk2 FZ02 platform. The HD designation indicates a heavy-duty construction compared to the standard part. It includes the drive shaft cup and a retaining pin screw. This is a direct-fit replacement for hobbyists looking to restore or upgrade the drivetrain on their Fazer Mk2 FZ02 build. Features: Heavy-duty steel construction Includes retaining pin screw Direct replacement for Fazer Mk2 FZ02 drivetrain 7/7/26 cs