6 Inch Lift Kit from Rough Country, part 55870, for 2017-2022 Ford F-250 Super Duty/F-350 Super Duty. Configuration: Overload springs: No; Axle tube: 4in Diameter; V2 Monotube Shocks. Estimated install time is 6-10 hours.
Take your truck to new heights with Rough Country's 6in Radius Arm Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation 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
- Includes durable Radius Arms
- Fabricated blocks are stronger and offer a longer lifespan than cast blocks.
- Specially designed anti-axle wrap rear blocks maintain stock ride quality while eliminating common lift block problem.
- 10-Stage Variable Valving
- High Pressure Nitrogen Charged
- 35mm Piston
- Chromed Hardened 18mm Piston Rod
What's in the box
- Front: Lifted coil springs
- Front: Radius arms
- 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
Notes
- Models equipped with a 10-speed transmission must remove dial pin.
- Does NOT fit gas engine models.
- Does NOT fit dually models.
- Does NOT fit manual shift transfer cases
- Does NOT work on models equipped with Tremor Factory Trim Package
Specifications
| Part number | 55870 |
|---|---|
| Brand | Rough Country |
| Type | Suspension Lift Kits |
| Lift height | 6" |
| Configuration | Overload springs: No, Axle tube: 4in Diameter, V2 Monotube Shocks |
| Estimated install time | 6-10 hours |
| Tire and wheel fitment | 35x11.50R20 on 20x9 (-12 offset); 295/65R20 on 20x9 (-12 offset); 35x12.50R18 on 18x9 (+0 offset); 35x12.50R17 on 17x9 (-12 offset); 35x12.50R18 on 18x9 (-12 offset); 35x12.50R18 on 18x9 (+1 offset); more |
| Shipping weight | 302.16 lb |
| Instruction sheet | 921512000:Kit Installation;921550020:Clocking Ring & Crossmember Installation |
| Fits | 2017-2022 Ford F-250 Super Duty/F-350 Super Duty |
| Manufacturer applications | 2017-2022 Ford F-350 Super Duty (4WD); 2017-2022 Ford F-250 Super Duty (4WD) |