Yukon Jeep JK Gear & Install Kit - Non-Rubicon, Dana 30 Front/Dana 44 Rear
YUKYGK055
The Jeep JK Non-Rubicon Gear & Install Kit is a complete re-gear package designed for Jeep JK Wrangler Non-Rubicon models equipped with a Dana 30 front axle and Dana 44 rear axle. This kit combines front and rear ring & pinion gear sets with master overhaul kits, providing the key components needed for a full axle ratio upgrade.
This re-gear kit is a highly effective option for JK owners running larger tires, added armor weight, overland gear, or trail-focused setups. By bundling gears and overhaul components into one matched package, this kit simplifies the re-gearing process while ensuring front and rear axle ratios remain identical for proper four-wheel-drive operation.
Includes:
- Front ring & pinion gear set
- Rear ring & pinion gear set
- Front master overhaul kit
- Rear master overhaul kit
- Complete front and rear package
- Multiple ratios available
Specifications
- Brand: Yukon Gear & Axle
- Part Number: YGK012
- Product Type: Gear & install kit
- Vehicle Application: Jeep JK Wrangler Non-Rubicon
- Front Axle: Dana 30
- Rear Axle: Dana 44
- Includes Gears: Front and rear
- Includes Install Kits: Front and rear master overhaul kits
- Quantity: Complete package
Fitment
| Make | Model | Year Range | Axle |
|---|---|---|---|
| Jeep | Wrangler JK Sahara | 2007–2018 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK Sport | 2010–2018 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK Sport S | 2016–2018 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK X | 2007–2011 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK X-S | 2009 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK Unlimited | 2012 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK Unlimited Sahara | 2007–2018 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK Unlimited Sport | 2010–2018 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK Unlimited Sport S | 2016–2018 | Dana 30 Front / Dana 44 Rear |
| Jeep | Wrangler JK Unlimited X | 2007–2011 | Dana 30 Front / Dana 44 Rear |
Carrier Break Notes:
-
If currently running 3.21 ratio, a new front carrier case is required
Verify axle identification, current gear ratio, and carrier break before ordering.
Tech Insight
This re-gear kit is commonly chosen for JKs running 33"–35" tires because it helps recover lost performance caused by larger tire diameter. It improves throttle response, helps automatic transmissions stay in the powerband, and increases low-speed control off-road.
Front carrier breaks occur because some factory carriers only support certain gear ratio ranges. Moving from 3.21 gears to 4.56 often requires a new front carrier to correctly position the ring gear.
Proper installation requires accurate pinion depth, backlash, preload, and tooth contact pattern adjustment. Professional installation is strongly recommended.