2005- 2006 Ford Super Duty F250 or F350 Gas or Diesel engine Leveling Lift Kit. This kit is 2" CNC manchined from 6061 T-6 aircraft aluminum. All hardware is grade 10.9 and instructions are included. This kit will allow you to fit larger tires while mantaining that nice factory smooth ride. You will not have to make any further modifactions to the vehicle, this is a direct bolt in kit. On average expect about 1.5 hours to install.