Use this one-piece propeller cup joint in place of kit standard parts to improve transmission efficiency. Connection point with propeller shaft features TRF415MSX Y Part (Swing Shaft Protector) to reduce wear and tear. Features stylish blue aluminium finish, can be used to replace front or rear propeller cup joints.Note: When used on rear, the parts cannot be used with 53931 (DF-03 Centre One-Way Set)