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Rough Country

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4.5 Inch Lift Kit Dually | Ford Super Duty 4WD (2017-2022)

STARTING PRICE
$1,199.95
STARTING PRICE
$1,199.95
Configure Your Kit:
Includes Front Driveshaft
Select options

SKU:

55930-config


Brand:

Rough Country


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Features

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.

  • 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.
Fitment Notes
  • 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
Warranty Details

Est. Install Time 6-8 hours

Shock Configuration Options

N3 Shock Pair
Premium N3
included
  • 10-Stage Variable Valving

  • High Pressure Nitrogen Charged

  • 35mm Piston

  • Chromed Hardened 18mm Piston Rod

  • 54mm Shock Body to dissipate heat faster

  • 36kN Tensile Strength

  • Spring Loaded Piston Rod Seal

  • Military Spec. Fluid Rated To –40° C

  • Rubber bushings for better absorption

  • Metallic Silver Paint

  • 3-year Manufacturer's Warranty

M1 Shock Pair
M1 Monotube
+$140.00
  • 2-inch seamless extruded tube.

  • 46mm digressive piston.

  • Self-adjusting, deflective-disc independent rebound and compression.

  • 18mm centerless-ground, case-hardened, chromed, and super-polished rod.

  • 46mm monotube design ensures consistent, fade-free performance in all conditions.

  • Digressive valving instantly reacts to changing surface conditions.

  • Zinc plated for resistance against harsh elements.

  • Available in various lift heights for multiple applications.

  • Durable vulcanized natural rubber bushings.

  • 3-year Manufacturer's Warranty

V2 Shock Pair
V2 Monotube
+$320.00
  • Incredible ride quality & performance

  • Monotube design

  • Internal floating piston

  • Nitrogen-charged

  • 46mm high-flow piston

  • Fast heat dissipation

  • 36kN Tensile Strength

  • Mounts inverted

  • T6061 brushed aluminum body

  • 3-year Manufacturer's Warranty

Vertex Shock Pair
Vertex Reservoir
+$1,600.00
  • 8-Stage Adjustable Damping

  • Monotube Design

  • Nitrogen-Charged

  • Remote Reservoir with Steel Braided Reservoir Line

  • Massive 2.5in Piston

  • 22mm Chrome-Hardened Piston Rod

  • Specifically Tuned for Each Application

  • 3-Stage Seal System

  • Heat-Treated, Alloy Bearing

  • Honed Steel Body

  • CNC-Machined Billet Aluminum Accents

  • Zinc Plate Finish with Double Clear Coat

  • Incredible >400 Hour Salt Spray Rating

  • 3-year Manufacturer's Warranty

Customer Support Headshot
Need Help?
Talk to a Build Expert
1-800-222-7023

Installation


GET IT INSTALLED

Don’t want to install it yourself? Search for installers in your area.


FITMENT

Vehicles
year: 2017 - 2022
make: Ford
model: F-350 Super Duty
drive: 4WD

Always read all product page details for more important fitment information