Traxxas 5333R Revo 3.3 Suspension Arm Extended Wheelbase

Add an additional 10mm or 19mm of wheelbase extension to Revo, E-Revo and Summit in just minutes! Traxxas makes it easy by building the adjustment into the rear arms. Installation is a snap and the wheelbase can be quickly tuned trackside for any conditions. Select either 10mm or 19mm of extension by simply repositioning the pivot ball locations. Requires number 5153R drive cups when using 5451R driveshafts.