Kit includes front leaf springs, polyurethane bushings, pitman arm, I-beam drop brackets (80-98 F-250 Only), track bar drop bracket (82-98 F-350 Only), u-bolts, and 3" rear blocks. Available without shocks, with Heckethorn Hydro 8000 shocks, or Heckethorn Nitro 9000 shocks. Will accommodate 315x70x16 tires.