6-Inch Lift Kit with Vertex Shocks for Ford Super Duty 4WD — Part 57850
- Fits 2005-2007 Ford F-250 and F-350 Super Duty 4WD — check the fitment list for your trim
- Excludes diesel-engine trucks, dually trucks, and trucks with rear overload springs
- Exhaust modification needed for front driveshaft clearance
- Kit contents: 2 front and 2 rear Vertex 2.5 shocks, 6-inch upper and lower arms, 6-inch coils, add-a-leaf, 3-inch block and U-bolt kit
- Radius arm drop brackets let you set caster back to spec
- Downloadable installation guide available — shipping weight: 303.75 lb
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Diesel engine models
- Dually models
Does NOT models with rear overload springs. Requires exhaust modification to clear the front driveshaft. Fitment on this page is based on the manufacturer’s application data.
About this kit
6-Inch Lift Kit with Vertex Shocks, fitment-checked
Rough Country 57850 is a 6-inch lift kit for 2005-2007 Ford F-250 and F-350 Super Duty 4WD trucks, built around four Vertex 2.5 shocks, radius arm drop brackets, and a 3-inch block and U-bolt package. It does not fit diesel-engine trucks, dually trucks, or trucks equipped with rear overload springs, and the exhaust must be modified for front driveshaft clearance.
This 6-inch lift kit for the 2005-2007 Ford Super Duty 4WD covers F-250 and F-350 trims from XL and XLT up through Lariat, King Ranch, and the Harley-Davidson Edition, plus the F-250 4WD listings shown in the fitment section. The box carries front and rear Vertex 2.5 shocks, upper and lower 6-inch arm kits, a 6-inch coil package, an add-a-leaf, and a 3-inch block and U-bolt set. Confirm your truck is gas-engine, single-rear-wheel, and free of rear overload springs, then work through the downloadable Rough Country installation guide before starting.
What’s in the box
Kit contents
- 1× 3 Inch Block & U-Bolt Kit 6539
- 1× Add-A-Leaf 6111
- 1× 6in Up Arm Kit 1580 BOX 1
- 1× 6in Lower Arms 1580 BOX 2
- 1× 6 Inch Coil Box 9296
- 1× Kit Box 1580 BOX 3
- 2× Vertex 2.5 FR 6 In 685754
- 2× Vertex 2.5 RR 6 In 695762
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 57850 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 57850 |
| UPC / GTIN | 00843030152925 |
| Lift height | 6 in |
| Shock package | Vertex series |
| Shipping weight | 303.75 lb |
| Country of origin | TH |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here