Home > Motor & Gearing Upgrades > Motor / Gearing Tuned Systems > Wrangler 10" wheel (standard) Tuned Kits
Stage I kits are best for vehicles that are stock. - Performance 550 Motors with Internal Fans & the newest 7R Gearbox design.
Stage II kits are best for vehicles that are stock or modified up to 18 volts. - Performance 550 Motors with Internal Fans and Heat Sinks, Steel Pinion Gears, Steel First Gears on Ball Bearings, Race Grease, & the newest 7R Gearbox design.
Stage III kits are best for vehicles running 18 to 24 volts on a tight budget. If you're tearing up first gears you'll want Stage II or IV. - Performance 775 Motors with Internal Fans & the newest 7R Gearbox design.
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, & 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. - Performance 775 Motors with Internal Fans, Steel 22 Tooth Pinion Gears, Steel 66 Tooth First Gears on Ball Bearings, Race Grease, & the newest 7R gearbox design.
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 modern Jeep Wrangler models using 10" tires like the common B7659-2459 and BCK85-2659 tires.

Please read our How to Start Modifying Guide and Staged Upgrades Explained Guide before making your selection.

We highly recommend a
Brake Reduction Module with all Staged kits to increase gear longevity and driver comfort unless you have steep hills.
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Stage I Speed Motors/Gearboxes for Jeep Wranglers Stage I Speed Motors/Gearboxes for Jeep Wranglers
Our Price: $130.00
Sale Price: $120.00
Savings: $10.00
Stage II Speed Motors/Gearboxes for Jeep Wranglers Stage II Speed Motors/Gearboxes for Jeep Wranglers
Our Price: $220.00
Sale Price: $205.00
Savings: $15.00
Stage IV Speed Motors/Gearboxes for Power Wheels Jeep Wranglers Stage IV Speed Motors/Gearboxes for Power Wheels Jeep Wranglers
Our Price: $275.00
Sale Price: $250.00
Savings: $25.00
Stage V Super Speed Motors/Gearboxes for Jeep Wranglers Stage V Super Speed Motors/Gearboxes for Jeep Wranglers
Our Price: $300.00
Sale Price: $270.00
Savings: $30.00
Stage V Upgrade Kit Stage V Upgrade Kit
Our Price: $95.00