This is a complete package that includes front & rear ring & pinion sets along with the most complete master overhaul kits on the market, giving you everything you need to re-gear the front & rear differential in one easy part number. Product Features:Fits standard rotation Dana Spicer 60 and 1988 and down GM 10.5 14 bolt truck4.88 ratioIncludes front and rear ring & pinion sets and master overhaul kitsThick rear gear set for 4.10 and down carrier
