These powerful suspension kits come with either taller springs or complete coilover conversions so that your truck gets both improved ride height and suspension performance. Many of these systems even come paired up with powerful shocks and other hardware that can instantly transform your 2004-2007 F250 or F350 Super Duty into a potent off-road machine and improve its handling in practically no time. Here you'll find plenty of systems to choose from to fit your budget and your truck's needs. Ford Super Duty Fitments: 2004, 2005, 2006, 2007 Ford F250 & F350 6.0L Submodel Fitments: FX4, King Ranch, Platinum, Lariat, XLT, XL Some Exceptions apply, please see individual product pages for specific fitments.