To add overdrive in the ring and pinion

The Kyosho MXTH003HW Premounted Tire/Wheel w/Weight 2pcs INTERCO TIRE is a genuine Kyosho replacement tire

INCLUDES: Six HO Scale Plastic Train Personnel Figures

Rear upper and lower suspension arms

Traxxas 7860 Belted Gravix Tires w/ Inserts (2): XRT Ultimate Tool Sets To add overdrive in theTraxxas 7860 Belted Gravix Tires w Inserts (2): XRT Ultimate. Belted Gravix low profile 7. 4" x 4. 0" tires deliver game changing performance on the track or in the wild. The directional tread pattern provides excellent traction and runs quieter than typical off road tires. Lightweight belting in the carcass maintains the tire's shape for a larger contact patch, more grip, and responsive handling at any speed.