Yukon Gear & Axle (YGK006) Install Kit for Jeep TJ Dana 30 Front Model 35 Rear, 4.88 Ratio) Includes Front/Rear Ring Pinion Gear Sets Includes Front/Rear Differential Rebuild Kits Matching Gears in a 4.88 Ratio 1 Year Warranty Includes Master Overhaul Kit Includes Front and Rear Ring and Pinion Gear Sets