Icon Leveling Springs F250This 2. 5" Lift Dual Rate coil spring Kit for 2005 2020 Ford F250 350 is designed to improve your ride quality and handling. The progressive spring rates maintain a plush street ride and excellent performance off road. This kit also comes with two alignment cams. These cams will realign your front wheel's caster and minimize the steering pull usually found with lifted Super Duty's.