4.5-Inch Lift Kit with N3 Shocks for Ford Super Duty 4WD — Part 400330
- Fits 2023-2026 Ford F-250 and F-350 Super Duty 4WD, diesel engine only
- Does not fit gas-engine models, Tremor Off-Road Package trucks, or duallys
- Kit includes front 4.5-inch coils, driver and passenger tubular radius arms, rear block and U-bolt kit, and an N3 shock kit
- Tubular radius arms use a 2-inch outer diameter tube and rubber bushings, and bolt into the OEM mounts
- No cutting or drilling required — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Models equipped with a gas engine
- Dually models
Does NOT ft models equipped with Tremor Off-Road Package as they are equipped with approximately a 1.5-inch factory lift. Fitment on this page is based on the manufacturer’s application data.
About this kit
4.5-Inch Lift Kit with N3 Shocks, fitment-checked
Rough Country 400330 is a 4.5-inch lift kit for 2023-2026 Ford F-250 and F-350 Super Duty 4WD models with a diesel engine. The kit pairs front coils and tubular radius arms with fabricated rear blocks, U-bolts, and an N3 shock set. It does not fit gas-engine trucks, Tremor Off-Road Package trucks, or dually models.
This 4.5-inch lift kit for the 2023-2026 Ford F-250/F-350 Super Duty 4WD covers XL through Limited trims, including King Ranch, Lariat, Platinum, and XLT, on diesel-powered single-rear-wheel trucks only. Gas-engine, Tremor Off-Road Package, and dually configurations are outside the fitment. Contents include front coils, tubular radius arms with a 2-inch outer diameter and rubber bushings, a fabricated rear block and U-bolt kit, and an N3 shock kit. The design bolts into factory mounts, so no cutting or drilling is called for, and a downloadable installation guide is available. Shipping weight: 220 lb. Confirm your engine and rear-axle configuration before ordering.
What’s in the box
Kit contents
- 1× 2023-2024 Ford F250/F350 Diesel Front 4.5" Coil 9466
- 1× 4.5 In Block U-Bolt Kit 400130991
- 1× Kit Box 400330991
- 1× N3 Shock Kit 50420BOX1
- 1× Radius Arm Pass Upgrade Box 43701991A
- 1× Radius Arm Dr Upgrade Box 43701992A
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 400330 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 400330 |
| UPC / GTIN | 00840269972553 |
| Lift height | 4.5 in |
| Shock package | N3 series |
| Shipping weight | 220 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here