Stage I kits are best for vehicles that are stock. - Performance 550 Motors with Internal Fans, Lightweight Metal Pinion Gears, and easy no-soldering wiring. Bolts right into your stock gearboxes.
Stage II kits are best for vehicles that are stock or modified up to 18 volts. - Performance 550 Motors with Internal Fans, Steel Pinion Gears, Steel First Gears on Ball Bearings, Race Grease, easy no-soldering wiring, & the newest 7R Gearbox design.
Stage III kits are best for vehicles running 18 to 24 volts on a tight budget. - Performance 775 Motors with Internal Fans, Aluminum Motor Mounts, & easy no-soldering wiring, Bolts right into your stock gearboxes.
Stage IV kits are the most durable option for 18 to 24 volt vehicles. - Performance 775 Motors with Internal Fans, Steel Pinion Gears, Steel First Gears on Ball Bearings, Race Grease, easy no-soldering wiring, & the newest 7R Gearbox design
Stage V kits are for vehicles running 18 to 24 volts and give the most speed and least wheel spin. - The same as Stage IV's but with Steel 66 Tooth First Gears on Ball Bearings for even more top speed.
Click on any of the images below for more in-depth descriptions:
All of our Staged Motor/Gearbox kits are sold as matched pairs, meaning the price you see is for one complete vehicle. These kits work with all Jeep Hurricanes, Dune Racers, Stingers, and Baja Extremes. Does not work with the 6v Lil Dune Racer.