4.5-Inch Lift Kit with M1 Shocks for Ford Super Duty 4WD (2017–2022)

4.5-Inch Lift Kit with M1 Shocks, fitment-checked

Rough Country 50641 is a 4.5-inch lift kit for 2017–2022 Ford F-250 and F-350 Super Duty 4WD models with a diesel engine. The kit pairs coil springs and fabricated rear blocks with two M1 monotube shock pairs and a front CV driveshaft. It does not fit gas engine models, dually models, manual shift transfer cases, axles with 3.5-inch rear tubes, Tremor Factory Trim Package trucks, or 2020 trucks with the 10-speed transmission.

This 4.5 inch lift kit for the 2017–2022 Ford F-250 and F-350 Super Duty 4WD covers XL, XLT, Lariat, King Ranch, Platinum, and Limited trims listed in the fitment section. Contents include coil springs, a fabricated block and 4.5-inch U-bolt kit, a universal U-bolt kit, a front CV driveshaft for diesel applications, and two M1 monotube shock pairs. Radius arm drop brackets let you set caster back where the factory geometry expects it, which keeps steering feel close to stock. Confirm engine, transfer case, axle, and rear-wheel configuration against the exclusion list, then pull the downloadable Rough Country installation guide before you start.