6-Inch Lift Kit with N3 Shocks for 2008–2010 Ford Super Duty 4WD
- Fits 2008–2010 Ford F-250 and F-350 Super Duty 4WD — check submodels in the fitment table
- Does not fit dually models or diesel-engine models; rear overload leaves must be removed
- Kit includes 6-inch upper and lower arm boxes, front coils, 3-inch rear block and U-bolt kit, and an add-a-leaf
- Radius arm drop brackets allow caster to be set back to the factory specification
- Bolt-on installation with a matched N3 series shock set — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Dually models
- Diesel engine models
If vehicle is equipped with rear overload leaf's they will need to be removed. Fitment on this page is based on the manufacturer’s application data.
About this kit
6-Inch Lift Kit with N3 Shocks, fitment-checked
Rough Country 588.20 is a 6-inch lift kit for 2008–2010 Ford F-250 and F-350 Super Duty 4WD models with gas engines. The kit pairs radius arm drop brackets with N3 series shocks, a 3-inch rear block and U-bolt set, and an add-a-leaf. It does not fit dually models or diesel-engine models, and rear overload leaves must come out during the build.
This 6-inch lift kit for the 2008–2010 Ford Super Duty 4WD covers F-250 and F-350 trims from XL through King Ranch, plus the FX4, Cabela's, and Harley-Davidson Edition applications listed in the fitment section. The boxed contents include upper and lower radius arm components, drop brackets that let you reset caster to factory geometry, front coils, a 3-inch rear block and U-bolt kit, an add-a-leaf, and a matched N3 shock set. Confirm you have a gas engine and a single-rear-wheel axle before ordering, then work from the downloadable Rough Country installation PDF.
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× 584s Kit Box 1584BOX1
- 1× N3 Shock Kit 158030
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 588.20 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 588.20 |
| UPC / GTIN | 00843030127312 |
| Lift height | 6 in |
| Shock package | N3 series |
| Shipping weight | 256.55 lb |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here