The Yukon spider gear kit for Ford 8.8-inch differentials with 31-spline axles supplies the internal gears needed to rebuild an open carrier. Yukon uses improved materials and production techniques over OEM to help extend component life. The kit contains two side gears, two pinion gears, cross pin shaft, cross pin bolt and thrust washers; the cross pin shaft diameter is 0.875 inches as specified.
Yukon Gear Standard Open Spider Gear Kit For 8.8in Ford w/ 31 Spline Axles