The Yukon ZF 9.25-inch Chrysler rear ring-and-pinion install kit (3.21 ratio) supplies a Yukon ring and pinion with axle bearings and seals to service a 9.25" Chrysler ZF rear axle. This Pro Kit comes with a Yukon Master Install kit and the small parts required for a complete rebuild, and Yukon specifies Timken bearings in its Master kits. Yukon gear kits are intended for re-gear projects and are covered by Yukon's Y.E.S. lifetime protection plan.
Yukon Gear ZF 9.25in CHY 3.21 Rear Ring & Pinion Install Kit Axle Bearings and Seal