6-Inch Lift Kit with Vertex Coilovers for Super Duty 4WD for Trucks with Overloads
- Fits diesel 2017-2022 Ford F-250 and F-350 Super Duty 4WD in XL, XLT, Lariat, King Ranch, Platinum, and Limited trims
- Does not fit gas engine models, dually models, manual shift transfer cases, or Tremor Factory Trim Package trucks
- Trucks with the 10-speed transmission require the dial pin to be removed
- Contents include Vertex 2.5 adjustable front coilovers, Vertex 2.5 rear shocks, upper and lower arm kits, front CV driveshaft, and U-bolt hardware
- Fabricated rear block replaces the factory lift block; radius arm drop brackets set caster back where it belongs
- Downloadable installation guide available. Shipping weight: 387 lb
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Gas engine models
- Manual shift transfer cases Does NOT fit dually models
Models equipped with a 10-speed transmission must remove dial pin. New fabricated lift block replaces the factory equipped lift block. 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
6-Inch Lift Kit with Vertex Coilovers for Super Duty 4WD, fitment-checked
Rough Country 50859 is a 6-inch lift kit for diesel 2017-2022 Ford F-250 and F-350 Super Duty 4WD models, built around Vertex 2.5 adjustable front coilovers and matching Vertex 2.5 rear shocks. It does not fit gas engine models, dually models, manual shift transfer cases, or trucks with the Tremor Factory Trim Package. Trucks with the 10-speed transmission need the dial pin removed.
This 6-inch lift kit for the 2017-2022 Ford F-250/F-350 Super Duty 4WD covers XL through Limited trims, including King Ranch, Lariat, Platinum, and XLT, on diesel models only. Up front you get the Vertex 2.5 adjustable coilover conversion with left and right units, replacement upper and lower control arms, and a front CV driveshaft; the rear runs Vertex 2.5 shocks with a fabricated 6.5 in block and overload U-bolt kit in place of the factory block. Read the exclusion list closely, then work from the downloadable Rough Country installation guide before you start.
What’s in the box
Kit contents
- 1× CV Drive Shaft 5068.1
- 1× Univ. 3 4 X 4 1 X 1 2in U-Bolt Kit 7675
- 2× Vertex 2.5 RR 6 In 695805
- 1× 6" Kit Box 50010991
- 1× 6.5 In Block U-Bolt Kitoverloads 1550BOX2
- 1× 56020 Box Kit 1560BOX1
- 1× 4.5-6in Up Arm Kit 1560BOX2
- 1× 4.5-6in Lower Arms 1560BOX3
- 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 50859 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 50859 |
| UPC / GTIN | 00840269915314 |
| Lift height | 6 in |
| Shock package | Vertex series |
| Shipping weight | 387 lb |
| Country of origin | TH |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
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