Brand new, Pro Comp part # 52890B-1. This is component box # 1 for Pro Comp 6" lift kit # k4203 and k4209. Detailed parts breakdown list is in photos. This is not a complete lift kit, only part of it. Radius arms, front coil springs, and shocks are all still required. Fitment Guide: FORD ---F250 / F350 Super Duty 2017-2022 4x4 What's in the Box (detailed list in photos): ---Track bar drop bracket ---5" rear lift blocks & u-bolts ---Sway bar drop brackets ---Pitman arm ---Rear sway bar end links ---Sway bar spacer ---Bump stop spacers ---Brake line drop brackets ---Steering stabilizer bracket ---Several packs of hardware.