The Yukon USA Standard spider gear kit is a complete replacement for GM 8.5" open differentials with 28‑spline axles, intended to restore correct differential operation. USA Standard kits are produced with quality materials and manufacturing to offer a longer service life at a sensible price. The kit includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and thrust washers so you receive everything required for a proper rebuild.
USA Standard Gear Standard Spider Gear Set For GM 8.5in / 28 Spline