4.5-Inch Vertex Lift Kit for Ford Super Duty 4WD (2017-2022) — Part 55059
- Fits diesel 2017-2022 Ford F-250 and F-350 Super Duty 4WD — review every exclusion below first
- Front Vertex 2.5 adjustable coilover conversion plus radius arm drop brackets for correct caster
- Rear pair of Vertex 2.5 shocks with fabricated anti-axle-wrap blocks and a 4.5 in block U-bolt kit
- Front CV driveshaft for diesel Super Duty 4WD included in the kit box
- Does not fit gas engine, dually, manual shift transfer case, or Tremor Factory Trim Package trucks; requires rear factory contact overload springs
- 10-speed transmission models need the dial pin removed. Shipping weight: 284.0 lb. Downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Gas engine models
- Dually models
- Manual shift transfer cases ONLY fits models equipped with rear factory contact overload springs
Models equipped with a 10-speed transmission must remove dial pin. Does NOT work on models equipped with Tremor Factory Trim Package. Fitment on this page is based on the manufacturer’s application data.
About this kit
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.
What’s in the box
Kit contents
- 1× CV Drive Shaft 5068.1
- 2× Vertex 2.5 RR 6 In 695805
- 1× 4.5" Kit Box 50011991
- 1× Kit Box 1550BOX1
- 1× Block U-Bolt 4.5in Kit 1550BOX3
- 1× Vertex 2.5 Adj FR Lh 4.5IN-6.IN 685042L
- 1× Vertex 2.5 Adj FR Rh 4.5IN-6.IN 685042R
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 55059 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 55059 |
| UPC / GTIN | 00840269919466 |
| Lift height | 4.5 in |
| Shock package | Vertex series |
| Shipping weight | 284 lb |
| Country of origin | TH |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here