ReadyLift 69-5475 4.0'' SST Lift Kit Front with 2'' Rear with Upper Control Arms Without Shocks Max Lift: 4.0"F-2.0"R - Max Tire Size: 35" Not for use on 2015 Tundra TRD Pro w/ Bilstein shocks Precison crafted upper strut extensions designed to position the strut in the same mounting angle position. Kit includes differential drop brackets which lowers the differential on 4WD models. This keeps the near factory CV angle specifications that Toyota built into these great trucks. New powdercoated sway bar frame mount spacers to keep your sway bar working properly.