This Yukon spider gear kit is made for Ford 8.8-inch TracLoc positraction differentials with 31-spline axles and provides the components required for a proper internal replacement. Yukon applies higher-quality materials and production methods than OEM to improve longevity. The kit includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers for TracLoc posi units.
Yukon Gear Spider Gear Kit For Ford 8.8in / 31 Spline / Trac Loc Posi