85-2015A internal differential spider gear kit is designed to fit GM 7.625 inch open differentials. This premium kit works with 28 spline axle shafts.

Superior Axle and Gear internal spider gear kits include side gears, pinion gears, thrust washers, cross shaft and retaining pin/roll pin. This kit fully rebuilds your open differential.

Superior Axle & Gear's 85-2015A replaces the following part numbers:

GM7.6BI, gm7.625-s-28,