Rough Country - 54451322 - Dana 44 Rear 5.13 Ratio Ring & Pinion Gear Set (Wrangler JK/JKU) for Jeep: 07-18 Wrangler JK 4WD, 07-18 Wrangler Unlimited JK 4WD Features: Regain lost power and torque from installing larger tires; Forged 8620 steel; Heat treated; 10-Year Manufacturer's Warranty Fits: 2007-2016 4WD Jeep JK Wrangler; 2007-2016 4WD Jeep JK Wrangler Unlimited; Dana 44 REAR Axles ONLY Notes: Fits Dana 44 Rear Axles ONLY; Master install/bearing kit sold separately. Kit Contents: Ring gear, Pinion gear Specs: SKU: 54451322