This ICON Vehicle Dynamics 4.5* suspension system is a great way to lift your 4WD 2017-UP Ford F250/350 Super Duty while drastically improving ride quality and performance. This entry level system is perfect for on-road and towing use, as well as mild off-road use like job site duty and washboard gravel roads. ICON's 4.5" Stage 1 System is comprised of dual rate coil springs, radius arm drop brackets, adjustable track bar, 5" block kit, and ICON 2.0 Aluminum Series front and rear shocks. With the endless hours ICON has spent testing and tuning our suspension components and shocks as a complete package, you can rest assured you have the best suspension solution on the market. 2017-UP FORD F-250/F-350 4.5" LIFT STAGE 1 SUSPENSION SYSTEM APPLICATION NOTE #55: SHOCKS ARE FULLY SERVICEABLE. COILOVER HEIGHTS INDICATED ARE FOR A STOCK EQUIPPED VEHICLE