Rough Country · Authorized Dealer
4.5 Inch Lift Kit | Dually| Vertex | Ford F-350 Super Duty 4wd (2017-2022)
$2,819.95
Price does not include installation.
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$2,819.95
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🛠️ Install available in Marietta, GA
Installed and serviced at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Call (678) 400-6467 to schedule.
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Built for F-350 Super Duty dually owners who want maximum ground clearance without sacrificing ride quality, this 4.5-inch Rough Country Vertex lift kit transforms your truck's capability. The kit levels the front with the rear, opens up tire options up to 35 inches, and preserves factory handling through precisely engineered caster correction.
Installed and serviced at Road Runner Wheels & Tires. Most lift kits go in the same day. Call (678) 400-6467 to schedule.
What's included
- Vertex 2.5 FR 6 In shocks (qty 2) — premium adjustable-reservoir units engineered for balanced on and off-road performance.
- Vertex 2.5 RR 6 In shocks (qty 2) — rear shocks tuned to complement the front and maintain vehicle stability.
- Lifted coil spring — increases suspension travel and ride height while maintaining factory geometry.
- Fabricated rear blocks (4.5 in) — stronger and longer-lasting than cast alternatives; prevent axle wrap and binding under load.
- Radius arm drop brackets — maintain proper caster angles to preserve factory handling and driveability.
- Transfer case clocking kit — re-indexes the transfer case to work correctly at the new ride height.
Important notes
- Does NOT fit gas engine models — diesel-only application.
- Does NOT fit single rear wheel configurations — dually trucks only.
- Rear wheels may require dually wheel spacers to clear the new suspension geometry.
- Does NOT fit manual shift transfer cases.
- Does NOT work on models equipped with the Tremor Factory Trim Package.
- Does NOT fit 2020 models with 10-speed transmission.
Why customers pick this at Road Runner
- Corrected caster geometry after install keeps your truck handling like stock, even with the extra height.
- Rough Country lifetime replacement warranty backed locally — we stand behind every kit we install.
- Professionally installed by technicians who service these kits every week.
- Alignment performed in-house as part of every lift install.
Ready to build it? Call (678) 400-6467. Hablamos Español.
| Qty | Part | Part # |
|---|---|---|
| 1 | Coil 5d | Ford Super Duty (11-22) | 9297 |
| 1 | Kit Box | 6" Kit | Ford Super Duty (17-22) | 1504991 |
| 1 | Drw Block U-Bolt 4.5in Kit | Ford Super Duty (17-22) | 55900BOX1 |
| 1 | Transfer Case Clocking Kit | Ford Super Duty (17-24) | 55003 |
| 2 | Vertex 2.5 FR 6 In | Ford Super Duty (05-22) | 685754 |
| 2 | Vertex 2.5 RR 6 In | Ford Super Duty (17-25) | 695805 |
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.
| Years | Make | Model | Drive |
|---|---|---|---|
| 2017-2022 | Ford | F-350 Super Duty King Ranch | 4WD |
| 2017-2022 | Ford | F-350 Super Duty Lariat | 4WD |
| 2017-2022 | Ford | F-350 Super Duty Platinum | 4WD |
| 2017-2022 | Ford | F-350 Super Duty XL | 4WD |
| 2017-2022 | Ford | F-350 Super Duty XLT | 4WD |
| 2018-2022 | Ford | F-350 Super Duty Limited | 4WD |
- Tire size: 33″ to 35″ tall
- Lift height: 4.5″
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 Does NOT fit 2020 models with 10-speed transmission
Rough Country Lifetime Replacement Warranty covers all structural components against defects in materials and workmanship for the original purchaser's lifetime ownership of the vehicle.
3-Year Finish Warranty on all painted and powder-coated surfaces.
3-Year Shock Warranty on N3, M1, and Vertex shocks against leakage and structural failure.
Warranty service is handled by Rough Country directly — call (678) 400-6467 if you need help opening a warranty claim and we'll walk you through it.
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