King Shocks 2.0 RS Check Valve Pop-Off Rebound 2020+ GM 2500/3500 HD Fuel 4WD requires the CST front

4WD requires the CST front CV driveshaft (CSP-C28-8)

The ICON Vehicle Dynamics 2005-2024 Ford F-250 & F-350 Super Duty 7" coil springs are designed for drivers demanding the ultimate in performance and ride quality

Constructed from HCR Proprietary Elite Material

the tuning in the UnChained System is enough to put the build quality of the rest of the truck to the test and will ride a bit stiffer on the road than our other high-end systems

Suspension over travel can lead to damaged parts and costly repairs

King Shocks 2.0 RS Check Valve Pop-Off Rebound 2020+ GM 2500/3500 HD Fuel 4WD requires the CST frontKing Shocks 2. 0 RS Check Valve Pop Off Rebound