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 Jeep TJ with Dana Spicer 30 front and AMC Model 35 rear4.56 ratioIncludes front and rear ring & pinion sets and master overhaul kits