Dana 44 Front Axle Jeep Wrangler JK 3.73-5.38 Ratio Ring and Pinion Revolution GearPrecision Machined for Quiet Power and Trail Proven Strength. When you move to 35 inch or 37 inch tires, your stock gearing becomes the weakest link in your drivetrain. The result is a sluggish transmission, poor fuel economy, and a lack of low end torque on the trail. Revolution Gear & Axle restores that lost performance with some of the highest quality gear sets available on the market today. At Overland Truck Store, we prefer Revolution because