This is the Traxxas Adjustable Rear Brake Kit for the Revo.
Direct drop-in for the Revo 3.3, Revo 2.5Rs require slight chassis modification, older Revos require the latest gearbox housing-(TRA5391X) for proper installation
For use with Revos already equipped with the accessory center diff kit
Optimizes braking adjustability by allowing front and rear brake bias adjustment
Increased tuning options and on-track dual disc braking performance
Traxxas Adjustable Rear Brake Kit for the Revo
Center Differential Kit, (TRA5414) if not already installed