This ICON Vehicle Dynamics 4.5” suspension system is a great way to lift your 4WD 2017-2019 Ford F250/350 Super Duty while drastically improving ride quality and performance. The Stage 3 system is perfect for on-road and off-road use including towing, job site duty and spirited off-road adventure. ICON's Stage 3 System is comprised of dual rate coil springs, radius arm drop brackets, adjustable track bar, 5" block kit, and ICON CDC Valve 2.5 Aluminum Series front and rear piggyback reservoir 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.