6-Inch Lift Kit with N3 Shocks for 2017–2022 Ford F-250 4WD for Trucks with Overloads
- Listed fitment: 2017–2022 Ford F-250 and F-350 Super Duty 4WD, XL through Limited — read the exclusions before ordering
- Excluded: F-350, dually, gas engine, manual-shift transfer case, and Tremor Package trucks
- Only for trucks with rear factory contact overload springs; not for models with a 4-inch rear axle tube
- Kit contents: 6-inch coils, 6.5-inch fabricated blocks with U-bolts, two radius arm upgrade boxes, transfer case clocking kit, N3 shocks
- Bolt-on installation — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Dually models
- Manual shift transfer cases Does NOT fit gas engine models
- Models with 4" rear axle tube ONLY fits models equipped with rear factory contact overload springs Does NOT work on models equipped with Tremor Factory Trim Package
Does NOT F-350 models. Fitment on this page is based on the manufacturer’s application data.
About this kit
6-Inch Lift Kit with N3 Shocks for 2017–2022 Ford F-250 4WD, fitment-checked
Rough Country 51230 is a 6-inch lift kit for the 2017–2022 Ford Super Duty 4WD, built around a coil package, radius arm drop brackets, fabricated anti-axle-wrap rear blocks, and application-valved N3 shocks.
This 6-inch lift kit for the 2017–2022 Ford F-250 Super Duty 4WD raises ride height and evens out the factory rake while keeping caster set correctly through the included radius arm drop brackets. The box carries a 6-inch coil package, a 6.5-inch block and U-bolt set with anti-axle-wrap fabricated blocks, two radius arm upgrade boxes, a transfer case clocking kit, and an N3 shock kit valved for this application. It fits only trucks with rear factory contact overload springs, and it is not for dually, gas, manual-shift transfer case, 4-inch rear axle tube, or Tremor trucks. A downloadable installation guide is available.
What’s in the box
Kit contents
- 1× 6 Inch Coil Box 9296
- 1× 6.5 In Block U-Bolt Kitoverloads 1550BOX2
- 1× Radius Arm Kit Box 512BOX1
- 1× N3 Shock Kit 155030
- 1× Transfer Case Clocking Kit 55003
- 1× Radius Arm Upgrade Box 53600991A
- 1× Radius Arm Upgrade Box 53600992A
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 51230 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 51230 |
| UPC / GTIN | 00843030190101 |
| Lift height | 6 in |
| Shock package | N3 series |
| Shipping weight | 291.52 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here