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Nitro Gear & Axle Dana 44 Front Axle/44 Rear Axle Ring and Pinion Gear Kit; 4.88 Gear Ratio (03-06 Jeep Wrangler TJ Rubicon)

Item J122077
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Market Price $759.99 You Save 12% ($87.99)
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$672.00 (kit)

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      Product Information

      Features, Description, Specs & Installation


      • Improves Wheel Dynamics
      • Front and Rear Differential Kit
      • Dana 44 Axles
      • Manufactured From Premium 8620 Steel
      • Heat-Treated and Rockwell Hardness-Tested
      • Professional Installation Recommended
      • With a 4.88 Gear Ratio
      • Two-Year Limited Warranty
      • Fits 2003-2006 Jeep Wrangler TJ Rubicon Models


      Improved Power and Fuel Economy. Experience consistently powerful wheel dynamics with this Dana 44 Front and Rear Ring Gear and Pinion Kit with 4.88 Gear Ratio. Nitro Gear & Axle designed this differential kit to help optimize your TJ’s performance. It accordingly shifts the power band to compensate for modifications such as larger tires and added weight, while maintaining an efficient balance between torque and top speed.

      Premium Construction. Nitro Gear & Axle utilizes advanced technology to manufacture its differential gears. This front and rear gear package is crafted from high-grade 8620 steel using CNC triple-lapping and precision machining. These gears have been heat-treated for an optimum durability to withstand extreme wearing and elevated temperatures.

      Professional Installation. Installation of this Front and Rear Gear and Pinion Kit entails meticulous methods that require mechanical expertise. Professional installation is recommended for this Dana 44 Differential Kit and completes in about 8 hours.

      Two-Year Limited Warranty. This Dana 44 Front and Rear Gear and Pinion Kit comes with a 2-year limited warranty against defects in material and workmanship from the date of purchase. Warranty requests must be made by the original buyer and submitted by the dealer purchased from, indicating the set-up specifications. This warranty does not cover damages caused by abuse, overloading, improper lubrication, misuse, commercial or competition use.

      Application. This Dana 44 Front and Rear Gear and Pinion Kit with 4.88 Gears is designed by Nitro Gear & Axle to fit 2003-2006 Jeep Wrangler TJ Rubicon models.

      Fitment: 2003 2004 2005 2006 Details

      Nitro Gear & Axle GPTJRUBICON-4.88

      CA Residents: WARNING: Cancer and Reproductive Harm -

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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Front Ring
      • (1) Front Pinion
      • (1) Rear Ring
      • (1) Rear Pinion
      • (1) Front Master Install Kit
      • (1) Rear Master Install Kit
      • Installation Hardware

      Will It Fit My Wrangler

      • TJ Rubicon 2 Door - 03, 04, 05, 06
      • TJ Rubicon Unlimited 2 Door - 05, 06

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