Chevrolet R20 Differential Replacement

33 Spline; 1.37 in. Axle Shaft Diameter; 9.5 in.

Fits 3.73 Gear Ratio And Up; 4320 Chromoly Spider Gears

30 Spline GM 10.5 in Rear; Yukon Grizzly Locker; 30 Spline; Installs into Standard Open Carrier Case; Diffenetial has 14 Bolt Cover & Removable Pinion Support~GM 10.5 in.; 14 Bolt Cover; 30 Spline

Fits 2.76-3.42 Gear Ratio; 4320 Chromoly Spider Gears

40 Spline

9.5 in. 14 Bolt; 33 Spline Axles GM 9.5 in.; 14 bolt cover; 33 Spline Axles~Yukon Dura Grip Positraction; GM 9.5 in. Rear; 14 bolt cover; 33 Spline

33 Spline; 1.37 in. Axle Shaft Diameter; Rear 9.5 in.; All Ratios

10.5 in. 14 Bolt; 4.10 And Down GM 10.5 in.; 14 Bolt Cover; 4.10 And Down~Yukon Dura Grip Positraction; GM 10.5 in. / 14T Rear; 14 Bolt Cover; 30 Spline; 4.10 And Down or Thick Gears

Selectable Full Locker w/Limited Slip; For Use w/2.73-Up Ratio; 28 Spline 8.5 in. (10 Bolt)