Yukon Gear & Axle. Built to Perform, Built to Last. The highest quality differential parts available for race, offroad, or street. Find auto parts by searching vehicle Makes, Models, Differentials, and Part Types. Sep 01, 2004 · Four Wheeler tests the all-new 2005 Dodge Power Wagon. ... as a helical limited-slip differential when disengaged. ... amount of protection and a plethora of upgrades as compared to the Ram 2500 ... 2000 Dodge Ram 1500 Laramie All Engines 4WD, With 12 Axle Cover Bolts, With 9.25" Ring Gear, With 3.55 Axle Ratio (Dmd), Without Limited Slip (Dsa) Differential, RWD, With 12 Axle Cover Bolts, With 9.25" Ring Gear, With 3.55 Axle Ratio (Dmd), Without Limited Slip (Dsa) Differential The Powr-Lok differential used 30-spline axles. Pinion input splines on the Powr-Lok differentials were 10-spline by 1-5/8-inch diameter. Later years featured the rod and cone-type semi-float limited-slip positraction configuration, commonly referred to as "Trac-Lok," and a 29-spline by 1-5/8-inch pinion shaft and 35-spline axles.