4.5-Inch Vertex Lift Kit for Ford Super Duty 4WD (2017-2022), Part 55059

4.5-Inch Vertex Lift Kit, fitment-checked

Rough Country 55059 is a 4.5-inch lift kit for diesel 2017-2022 Ford F-250 and F-350 Super Duty 4WD trucks. The front converts to Vertex 2.5 adjustable coilovers, the rear runs Vertex 2.5 shocks over fabricated anti-axle-wrap blocks, and a front CV driveshaft is part of the kit. It does not fit gas, dually, manual shift transfer case, or Tremor Factory Trim Package models.

This 4.5-inch lift kit for the 2017-2022 Ford F-250 and F-350 Super Duty 4WD covers XL through Limited trims, including King Ranch, Lariat, Platinum, and XLT. The front side is a Vertex 2.5 adjustable coilover conversion with radius arm drop brackets that reset caster, so factory steering feel and driveability carry over. At the rear, Vertex 2.5 remote-reservoir shocks pair with fabricated blocks and a matched U-bolt kit designed to control axle wrap. A front CV driveshaft for diesel Super Duty applications is part of the package. Check the exclusion list and the overload spring requirement before ordering, then work from the downloadable installation guide.