The Yukon Carrier Installation Kit for GM 12-bolt passenger car and 8.6-inch applications provides carrier bearings, races and a "super" carrier shim kit to support carrier replacements and upgrades. Offered as a convenient, low-cost option, it’s suitable for shops installing positraction or lockers or replacing carriers without a full overhaul. The kit includes the core bearings and shims needed for correct carrier installation.
Yukon Gear 8.6in GM 12P 12T & F8.8 Carrier installation Kit