This is the Traxxas Adjustable Rear Brake Kit for the Revo.
FEATURES: Direct drop-in for the Revo 3.3, Revo 2.5Rs require slight chassis
modification, older Revos require the latest gearbox housing-
TRAC9491 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
INCLUDES: Traxxas Adjustable Rear Brake Kit for the Revo
REQUIRES: Center Differential Kit, TRAC9414 if not already installed