The 4" Skyjacker lift kit for the Ford F350 Super Duty features full-height front Softride coil springs, rear leaf springs with bushings & u-bolts, with heavy-duty track bar relocation bracket to center the axle, extended sway bar end links, radius arm drop brackets, stainless steel brake lines, single steering stabilizer, carrier bearing lowering bracket, and bump stop bracket. Longer shocks are required. A pitman arm is recommended and sold separately.