Jeep Rubicon JK Differential Install Kit - Front + Rear - Yukon Gear & Axle - Stage 3 Gear Kit 4.88 Ratio - `07-`18
Jeep Rubicon JK Differential Install Kit - Front + Rear - Yukon Gear & Axle - Stage 3 Gear Kit 4.88 Ratio - `07-`18

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Jeep Rubicon JK Differential Install Kit – Front + Rear by Yukon Gear & Axle, Stage 3 4.88 Ratio (2007–2018). A complete front and rear re-gear solution built for strength and precise setup.
Designed for JK Rubicon Dana 44 axles, this kit pairs 4.88 ring-and-pinion sets with Yukon Master Overhaul Kits for both differentials, plus nodular-iron Yukon Hardcore diff covers and 4340 chromoly front axle shafts. Precision-cut gears, advanced heat treatment, and a thick ring gear profile promote durability, while the comprehensive small-parts assortment streamlines installation and helps achieve proper tooth contact and preload.
Features
- Fits 2007–2018 Jeep Wrangler JK Rubicon; front and rear Dana 44
- 4.88 gears with 24-spline pinions and thick ring gears
- Front and rear Yukon Master Overhaul Kits (bearings, seals, shims)
- Yukon Hardcore nodular-iron differential covers
- 4340 chromoly front axle shafts
Have questions or need help choosing a ratio for your build? Call Austin, TX at 512-982-9393 or Los Angeles, CA at 562-981-6800. We provide installation and customization at both shops.
Ordering multiple items? Contact us for possible shipping discounts. We install on premises at both locations.
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