8-Inch Lift Kit with M1 Shocks for Ford Super Duty 4WD (2005–2007)
- Fits 2005–2007 Ford F-250 and F-350 Super Duty 4WD in XL, XLT, Lariat, King Ranch, and Harley-Davidson Edition trims
- Diesel applications only — does not fit gas engine models, and does not fit dually models
- Kit includes 6-inch upper arm kit, 6-inch lower arms, universal U-bolt kit, and 2 8-inch rear leaf springs
- Two M1 monotube shock pairs cover front and rear damping
- Bolt-on install with radius arm drop brackets for proper caster — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Gas engine models
- Dually models
About this kit
8-Inch Lift Kit with M1 Shocks, fitment-checked
Rough Country 59040 is an 8-inch lift kit for the 2005–2007 Ford F-250 and F-350 Super Duty 4WD, built around 6-inch upper and lower radius arm assemblies, two M1 monotube shock pairs, and 8-inch rear leaf springs. It does not fit gas engine models and does not fit dually models, so confirm your engine and rear axle setup before ordering.
This 8-inch lift kit for the 2005–2007 Ford F-250/F-350 Super Duty 4WD covers XL, XLT, Lariat, King Ranch, and Harley-Davidson Edition trims listed in the fitment section. The box carries a 6-inch upper arm kit, 6-inch lower arms, the 590 kit box, two M1 monotube shock pairs, a universal U-bolt kit, and a pair of 8-inch rear leaf springs. Radius arm drop brackets set caster back where the factory geometry wants it. Installation is bolt-on, and a downloadable Rough Country installation guide is available 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× 590 Kit Box 1590BOX1
- 1× M1 MONOTUBE SHOCK PAIR 770754P
- 1× M1 MONOTUBE SHOCK PAIR 770762P
- 1× UNIVERSAL U-BOLT KIT 7654
- 2× 8in Rear Leaf Spring 8072
- 1× 8in Diesel 9298
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 59040 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 59040 |
| UPC / GTIN | 00840269918247 |
| Lift height | 8 in |
| Shock package | M1 series |
| Shipping weight | 471 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here