
6-Inch Lift Kit with M1 Shocks for Ford Super Duty 4WD (2005–2007) — Part 58040
- Fits 2005–2007 Ford F-250 and F-350 Super Duty 4WD — XL through Harley-Davidson Edition
- Does not fit gas engine models, dually models, or trucks without rear overload springs
- Kit includes 6-inch front D-coils, upper arm kit, lower arms, rear add-a-leaf, and a 3-inch block and U-bolt kit
- Two M1 monotube shock pairs cover front and rear
- Bolt-on install with radius arm drop brackets for caster correction — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Gas engine models
- Dually models
Does NOT models without rear overload springs. Fitment on this page is based on the manufacturer’s application data.
About this kit
6-Inch Lift Kit with M1 Shocks, fitment-checked
Rough Country 58040 is a 6-inch lift kit for the 2005–2007 Ford F-250 and F-350 Super Duty 4WD, built around upper and lower radius arm components, 6-inch front coils, and two pairs of M1 monotube shocks. It does not fit gas engine models, dually models, or trucks without rear overload springs.
This 6-inch lift kit for the 2005–2007 Ford F-250 and F-350 Super Duty 4WD covers XL, XLT, Lariat, King Ranch, and Harley-Davidson Edition trims in the fitment list. The box carries a 6-inch upper arm kit, lower arms, 6-inch front coils, a rear add-a-leaf, a 3-inch block and U-bolt kit, and two M1 monotube shock pairs. Radius arm drop brackets let caster be set back within factory range. Confirm your truck has rear overload springs and is not a gas or dually model, then work through the downloadable Rough Country installation guide before you start.
What’s in the box
Kit contents
- 1× 6in Up Arm Kit 1580 BOX 1
- 1× 6in Lower Arms 1580 BOX 2
- 1× Kit Box 1580 BOX 3
- 1× Add-A-Leaf 6111
- 1× 3 Inch Block And U-Bolt Kit 6552
- 1× M1 MONOTUBE SHOCK PAIR 770754P
- 1× M1 MONOTUBE SHOCK PAIR 770762P
- 1× 6in D-Coil 9295
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 58040 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 58040 |
| UPC / GTIN | 00840269918162 |
| Lift height | 6 in |
| Shock package | M1 series |
| Shipping weight | 261 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here