4.5 Inch Lift Kit
Dually · M1 · Ford F-350 Super Duty 4WD (2017-2022)
$1,359.95the kit
ETA 10/29/2026 · as of Sep 19
Tell us your truck and we'll check this kit against it.
Nothing is charged online. We confirm fitment and the final price on the call.
Before you buy
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
About this kit
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 trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement Warranty
Highlights
- 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
- 1 × Kit Box | Ford Super Duty (17-22) Part #1550BOX1
- 1 × Transfer Case Clocking Kit | Ford Super Duty (17-24) Part #55003
- 1 × Drw Block U-Bolt 4.5in Kit | Ford Super Duty (17-22) Part #55900BOX1
- 1 × M1 MONOTUBE SHOCK PAIR Part #770754P
- 1 × M1 MONOTUBE SHOCK PAIR Part #770805P
- 1 × Coil 5d | Ford Super Duty (11-22) Part #9297
Specifications
| Brand | Rough Country |
|---|---|
| Part number | 55940 |
| UPC | 840269917981 |
| Lift | 4.5″ |
| Shipping weight | 208.2 lb |
| Country of origin | USA |
| Shipping | Ground shipping only · Arrives in more than one box |
Trucks it fits
| Truck | Years | Drive | Trims |
|---|---|---|---|
| Ford F-350 Super Duty | 2017–2022 | 4WD | King Ranch, Lariat, Platinum, XL, XLT |
| Ford F-350 Super Duty | 2018–2022 | 4WD | Limited |