

4.5 Inch Lift Kit from Rough Country, part 55931, for 2017-2022 Ford F-250 Super Duty/F-350 Super Duty. Configuration: Premium N3; Front driveshaft: Yes. Estimated install time is 6-8 hours.
Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total transformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade.
Features
- Easy bolt-on installation
- Increased ground clearance
- Levels the front with the rear of the vehicle
- Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability.
- Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use.
- Fabricated blocks are stronger and offer a longer lifespan than cast blocks.
What's in the box
- Front: Lifted coil springs
- Front: Radius arm drop brackets
- Front: Clocking ring kit
- Front: Sway-bar links
- Front: Track bar drop bracket
- Front: Stabilizer relocation brackets
- Front: Pitman arm
- Front: Brake line brackets
- Front: Bumpstop spacers
- Front: Hardware
- Rear: Fabricated lift blocks
- Rear: Brake line brackets
- Rear: U-bolts
- Rear: Hardware
- Shocks: (4) Premium N3 series
Notes
- Models equipped with a 10-speed transmission must remove dial pin.
- Does NOT fit gas engine models.
- Does NOT fit single rear wheel models.
- Rear wheels may require dually wheel sapcers
- Does NOT fit manual shift transfer cases
- Does NOT work on models equipped with Tremor Factory Trim Package.
Specifications
| Part number | 55931 |
|---|---|
| Brand | Rough Country |
| Type | Suspension Lift Kits |
| Lift height | 4.5" |
| Configuration | Premium N3, Front driveshaft: Yes |
| Drive | 4WD |
| Estimated install time | 6-8 hours |
| Shipping weight | 205.63 lb |
| Instruction sheet | 921559000 |
| Fits | 2017-2022 Ford F-250 Super Duty/F-350 Super Duty |
| Manufacturer applications | 2017-2022 Ford F-350 Super Duty (4WD) |