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SKU: ZGK054 / UPC: 883584400226
USA Standard Gear ZGK054 Jeep JK Rubicon D44 Front & Rear 4.56 Install Kit
USA Standard Gear ZGK054 is a complete re-gear and installation kit designed for Jeep Wrangler JK Rubicon models equipped with Dana 44 front and rear axles. It delivers a 4.56 gear ratio using precision ring and pinion sets paired with full master overhaul kits containing bearings, seals, and shims. This setup restores power for larger tires while handling daily drives, off-road trails, and aggressive use.
Key Features
- 4.56 Gear Ratio – Matches larger tires for improved torque, low-end power, and crawling capability on trails.
- Dana 44 Compatibility – Direct fit for JK Rubicon front and rear differentials without modifications.
- Master Overhaul Kits – Includes all bearings, races, pinion seals, crush sleeves, and shims for complete rebuild.
- Quality Assured – Passes in-house tests for dimensions, materials, and fitment to ensure reliability.
- One-Box Solution – Single kit number covers front and rear for straightforward re-gear projects.
- Durable Construction – Engineered to endure commuting, rock crawling, and high-speed runs.
Specifications
| Detail | Value |
|---|---|
| Brand | USA Standard Gear |
| Type | Ring & Pinion Install Kit |
| Compatibility | 2007-2016 Jeep Wrangler JK Rubicon D44 axles |
| Gear Ratio | 4.56 |
| Axle Model | Dana 44 Front & Rear |
| Weight | 35.3 lbs |
| Shipping Dimensions | 23.6 x 17.7 x 9.5 inches |
| MPN | ZGK054 |
| Country of Origin | USA |
| Warranty | Limited lifetime on ring & pinion |
Whats Included
- Front Dana 44 4.56 ring & pinion set
- Rear Dana 44 4.56 ring & pinion set
- Front master bearing overhaul kit
- Rear master bearing overhaul kit
- Pinion seals front & rear
- Shim kit, marking compound, and brush
Product Notes
- Professional gear setup recommended for optimal performance
- Special order item with lead time for delivery
- Confirm axle type matches Dana 44 before purchase
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2016 | Jeep | Wrangler | 75th Anniversary |
| 2007-2016 | Jeep | Wrangler | Rubicon |
| 2016 | Jeep | Wrangler | Unlimited 75th Anniversary |
| 2007-2016 | Jeep | Wrangler | Unlimited Rubicon |
Why Choose USA Standard Gear?
- In-house testing ensures precise fit and long life
- Most complete master kits reduce extra purchases
- Multiple ratios available for any build
- Proven in real-world driving conditions
Frequently Asked Questions
- Q: Does ZGK054 fit my 2010 Jeep JK Rubicon?
- A: Yes, it fits 2007-2016 Wrangler Rubicon models with factory Dana 44 axles.
- Q: What exactly is in the master kits?
- A: Bearings, races, seals, crush sleeves, shims, and install tools like compound and brush.
- Q: What warranty covers the gears?
- A: Limited lifetime warranty on ring and pinion sets for the original purchaser.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure single box with foam protection
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