Dana 44 Front Axle Jeep Wrangler JK Rubicon Ring and Pinion Master Install KitDo It Right the First Time: Premium Components for a Bulletproof Gear Setup. A ring and pinion set is only as good as the bearings that support it. While the gears get all the glory, the install kit is the unsung hero that ensures your differential stays quiet, cool, and reliable for thousands of miles. Revolution Gear & Axle Master Install Kits are widely regarded in the industry as the gold standard because they refuse to cut corners on component