The Tuff Country 6" lift kit for the Ford F250, F350 Super Duty includes front coil springs and coil spacers, radius arm drop brackets, radius arm support bar, pitman arm, heavy duty trac bar relocation bracket, carrier bearing drop kit, brake line extensions, front ABS extensions, front sway bar drop brackets and end links, front bump stop extensions. Also included is a 5.5" rear block kit that will replace your factory block and a set of rear add-a-leafs. No stacking of blocks that helps minimize common problems with rear lifted blocks. Four SX8000 Nitro shocks are included. Shock boots sold separately.