These are replacement aluminum gear differential unit diff joint parts. They are used on the 4WD TRF419 on-road racing chassis and may be used to replace the steel diff joints on the TA-07 Pro and TA-07 R chassis.
These Lightweight and durable aluminum parts have been given a hard-anodized coating for smooth movement. Furthermore, the TRF419 and TA-07 Chassis gear differential units feature identical length diff joints.
• Contains Aluminum Diff Joint x2
• Use with item 51536 Swing Shaft Cap