Rough Country 6 Inch Lift Kit for 2017-2022 Ford Super Duty, Diesel
Explore New Heights. Give your fourth-generation Ford Super Duty superior lift height with Rough Country's 6-inch Coilover Suspension Lift Kit! 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.
Durable Components. When changing a vehicle's suspension, the key to preserving ride quality is keeping the geometry of all suspension components as close to their factory angles as possible. Rough Country's new 6-inch Suspension Lift features a set of ultra-durable radius arm drop brackets, precision fit to bolt right into the factory mounts for an easier install and a more factory-like angle. Utilizing this conversion kit you're removing the factory independent coil shock and coil set-up and replacing it with a massive 2.5in piston, nitrogen-charged, 8-stage adjustable Vertex Coilover. Rough Country’s Vertex Coilovers feature a monotube design with an external reservoir for increased oil capacity and damping sensitivity. When it comes to investing in a high-end kit, you’ll be pleased to find that Rough Country’s 2.5in piston design is beefier and offers an impressive 56% greater fluid capacity than the average reservoir shock. Each kit is paired with a monotube shock that provides optimal damping control.
Installation. Requiring cutting and drilling to install, an estimated timeframe of 6-10 hours is recommended to complete this full installation. This full kit can be installed at home and can be completed efficiently and quickly!
Limited Lifetime Replacement Warranty. Rough Country's 6-inch Coilover Suspension Lift Kit is backed with a limited lifetime replacement warranty towards manufacturer defects. As such, the product is protected from structural and workmanship damage after the date of purchase. With Rough Country's industry-leading warranty give yourself peace of mind when using Rough Country's Suspension products!
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.
- 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.
Notes:
- Does NOT fit gas engine models.
- Does NOT fit dually models.
- Does NOT fit manual shift transfer cases
- ONLY fits models equipped with rear factory contact overload springs.
- Does NOT work on models equipped with Tremor Factory Trim Package.
Fitment:
- 2017-2022, 4WD, Ford, F-250 Super Duty
- 2017-2022, 4WD, Ford, F-350 Super Duty
Kit Instructions
Coilover Instructions
| Part # | Description | Springs | Shocks | Driveshaft | Axle | Engine |
|---|---|---|---|---|---|---|
| RCO-50356 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | V2 Coilover Shocks | None | 3.5 Inch | Diesel |
| RCO-50357 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | Vertex Coilover Shocks | None | 3.5 Inch | Diesel |
| RCO-50358 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | V2 Coilover Shocks | Front Driveshaft | 3.5 Inch | Diesel |
| RCO-50359 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | Vertex Coilover Shocks | Front Driveshaft | 3.5 Inch | Diesel |
| RCO-50456 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | V2 Coilover Shocks | None | 3.5 Inch | Diesel |
| RCO-50457 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | Vertex Coilover Shocks | None | 3.5 Inch | Diesel |
| RCO-50458 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | V2 Coilover Shocks | Front Driveshaft | 3.5 Inch | Diesel |
| RCO-50459 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | Vertex Coilover Shocks | Front Driveshaft | 3.5 Inch | Diesel |
| RCO-51356 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | V2 Coilover Shocks | None | 4 Inch | Diesel |
| RCO-51357 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | Vertex Coilover Shocks | None | 4 Inch | Diesel |
| RCO-51358 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | V2 Coilover Shocks | Front Driveshaft | 4 Inch | Diesel |
| RCO-51359 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | None | Vertex Coilover Shocks | Front Driveshaft | 4 Inch | Diesel |
| RCO-51756 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | V2 Coilover Shocks | None | 4 Inch | Diesel |
| RCO-51757 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | Vertex Coilover Shocks | None | 4 Inch | Diesel |
| RCO-51758 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | V2 Coilover Shocks | Front Driveshaft | 4 Inch | Diesel |
| RCO-51759 | 6 Inch Lift Kit for 2017-2022 Ford Super Duty | Overland Springs | Vertex Coilover Shocks | Front Driveshaft | 4 Inch | Diesel |
Recommended Tires & Wheels
| TIRE | WHEEL | BOLT PATTERN | OFFSET | NOTE |
|---|---|---|---|---|
| 37x12.50R17 | 17x9 | 8x170 | -12 | - |
| 37x12.50R17 | 17x9 | 8x170 | +0 | - |
| 37x12.50R17 | 17x9 | 8x170 | +1 | - |
| 37x12.50R18 | 18x9 | 8x170 | -12 | - |
| 37x12.50R18 | 18x9 | 8x170 | +0 | - |
| 37x12.50R18 | 18x9 | 8x170 | +1 | - |
| 37x12.50R20 | 20x9 | 8x170 | -12 | - |
| 37x12.50R20 | 20x9 | 8x170 | +0 | - |
| 37x12.50R20 | 20x9 | 8x170 | +1 | - |
| 37x12.50R20 | 20x10 | 8x170 | -25 | - |
| 37x12.50R20 | 20x10 | 8x170 | -24 | - |
| 37x12.50R20 | 20x10 | 8x170 | -19 | - |
| 37x12.50R20 | 20x10 | 8x170 | -18 | - |
| 35x12.50R20 | 20x12 | 8x170 | -44 | Trimming Required |
| 37x12.50R22 | 22x9 | 8x170 | -12 | - |
| 37x12.50R22 | 22x9 | 8x170 | +0 | - |
| 37x12.50R22 | 22x9 | 8x170 | +1 | - |
| 37x12.50R22 | 22x10 | 8x170 | -25 | - |
| 37x12.50R22 | 22x10 | 8x170 | -24 | - |
| 37x12.50R22 | 22x10 | 8x170 | -19 | - |
| 35x12.50R22 | 22x12 | 8x170 | -44 | Trimming Required |





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