Description
23oz / 120
Stock A-arm pivot balls are required (but not included – RPM recommends reusing those from your stock a-arms)
delivering even more power and acceleration from just about any nitro engine
Locking spring preload collars
Traxxas 8579 Rear Differential Ring and Pinon Gear for UDR Era_1967 + 23oz / 120Traxxas 8579 Rear Differential Ring and Pinon Gear for UDR Ring gear, differential pinion gear, differential (rear)
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























