TRA7881 X-Maxx Pro-Built Complete Rear Differential Limitless but by activating the Boost

but by activating the Boost Button

Spektrum long-throw performance linear servos

Smart Batteries will automatically discharge to your predetermined storage voltage when they are left to rest for a time period you choose

and following the legacy of the Stampede name

TRA7881 X-Maxx Pro-Built Complete Rear Differential Limitless but by activating the BoostThe Traxxas X Maxx Pro Built Complete Rear Differential is a pre built replacement for the X Maxx 8S 4WD Brushless Monster Truck. Traxxas Pro Built parts allow you to get your rig back in action faster and with less effort. These components allow you to replace parts as a complete unit, no assembly required.