All

Suspension arms, lower (right, front or rear) (1)

Servo mounts, steering/ shift (machined aluminum) (blue) (F&R)/ machine screws (8)

Traxxas® makes it easy to upgrade TRX® Pro .15 nitro-powered models to the awesome power of the new TRX 2.5 Racing Engine. All the necessary hardwa...

Gear, 1st (optional)(45-tooth)

Belt, front drive (4.5mm width, 78-groove HTD)

Screws, 3x20mm countersunk machine (hex drive) (6)

Adapter nut, clutch/ 3x10mm cap screw/washer/ split washer (not for use with IPS crankshafts)

Spur gear, 90-tooth (48-pitch) (for models with Torque-Control slipper clutch)

Spur gear (87-tooth) (48-pitch) w/bushing

Friction pegs, slipper (12)

Spur gear, 83-tooth (48-pitch) (for models with Torque-Control slipper clutch)