The Yukon 9.25-inch Chrysler rear ring-and-pinion install kit (3.21 ratio) pairs a premium Yukon ring and pinion with a 31-spline Dura Grip limited-slip Positraction and 1.705-inch inside-diameter axle bearings and seals to rebuild a 9.25" Chrysler rear axle. This Pro Kit contains a Yukon Master Install kit with Timken bearings and the small parts needed for installation, and Positraction units are fully rebuildable as specified by Yukon.
Yukon Gear 9.25in CHY 3.21 Rear Ring & Pinion Install Kit 31 Spline Positraction 1.7in Axle Bearings