Easy Returns and Free Shipping on orders over $75
Pay at your own pace. Pre-Qualify Now
Cyber Week Sales Starts Now! — Click Here to Get Your Discount

Fitment

YearsMakeModelDrive
2023-2025FordF-350 Super Duty4WD
2023-2025FordF-250 Super Duty4WD

Features

  • Adjustable Ride Height: Fine-tune your vehicle's stance and clearance with fully adjustable coilovers.
  • Superior Ride Quality: Enjoy a smoother, more responsive ride with performance-tuned suspension.
  • Enhanced Damping Control: Coilover conversion dramatically boosts damping capability for better handling.
  • Dual Front Shocks: Includes a secondary V2 front monotube shock for increased stability and control.
  • Heavy-Duty Coilover Mounts: Features 1/4-inch fabricated mounts for maximum strength and durability.
  • Convenient Reservoir Mounting: Comes with a top-mounted reservoir bracket for clean, secure installation.
  • Simple Bolt-On Setup: No cutting or drilling required for a hassle-free installation.
  • Boosted Ground Clearance: Gain extra height to tackle off-road terrain with confidence.
  • Front-to-Rear Leveling: Corrects factory rake by aligning the front suspension height with the rear.
  • Precision Caster Correction: Includes tubular radius arms to ensure proper caster settings, preserving factory-like handling and stability.
  • Tubular Radius Arms: Engineered for strength and performance with a 2" outer diameter design.
  • Factory-Mount Compatible: Precision-fit to bolt directly into OEM mounts for hassle-free installation.
  • Improved Geometry: Designed to maintain a more factory-like suspension angle.
  • Heavy-Duty Construction: Oversized arms offer superior strength compared to stock components.
  • Durable Rubber Bushings: Reduce noise and absorb vibrations for a smoother ride.
  • Heavy-Duty Fabricated Blocks: Built tougher than cast alternatives for superior strength and long-term durability.
  • Anti-Axle Wrap Rear Blocks: Custom-designed to retain factory ride quality while eliminating common axle wrap issues.
  • Enhanced Shock Compatibility: Pair with V2 or Vertex rear shocks for four-corner performance and smoother ride control.

Components

Front:

  • Vertex Coilovers
  • Tubular Radius Arms
  • Sway-Bar Drop Brackets
  • Track Bar Drop Bracket
  • Stabilizer Relocation Brackets
  • Pitman Arm
  • Brake Line Brackets
  • Bumpstop Spacers
  • Hardware

Rear:

  • Fabricated Anti-Wrap Lift Blocks
  • Carrier Bearing Drop Bracket
  • Brake Line Brackets
  • U-Bolts
  • Hardware

Shocks:

  • (2) V2 Monotube Shocks

Quick Specs

  • Est. Install Time: 6-10 hours
  • Part Number : 400358-config

Important Notes

  • Due to variances in motor weight, this kit does NOT fit models equipped with a gas engine
  • Does NOT ft models equipped with Tremor Off-Road Package as they are equipped with approximately a 1.5-inch factory lift
  • Does NOT fit dually models.

Rough Country 400358-config 4.5" Coilover Conversion Lift Kit - Radius Arm

2023-2025 Ford F-350 Super Duty 4WD 2023-2025 Ford F-250 Super Duty 4WD
4.9256198347107 847 5
98.512396694215%
4.9/5 out of 847 Company Reviews. Rating:
Rough Country 400358-config 4.5
0.00In stock
2023-2025 Ford F-350 Super Duty 4WD 2023-2025 Ford F-250 Super Duty 4WD
Guaranteed to ship today if you order in the next
  • 06

    Hours

  • 47

    Minutes

  • 17

    Seconds

Your discount may still be available. Contact us in Live Chat
  • Lowest Prices
    Price match guarantee
  • In-House Experts
    We know our products
  • Factory Authorized
    Install Center
  • Guaranteed Fitment
    Always the correct part
  • International Shipping?
    Get a Quote
Talk to a Specialist Now

Product Details

Conquer with Confidence: Elevate your fifth-generation Ford Super Duty with Rough Country's 4.5-Inch Coilover Suspension Lift Kit. Built for off-road warriors and everyday drivers alike, this performance-driven upgrade delivers aggressive ride height without sacrificing comfort. Run up to 35-inch tires and take command of any terrain with confidence and control.Adjustable Performance, Superior Ride: Fine-tune your stance with fully adjustable Vertex coilovers designed for maximum

clearance and responsiveness. These 2.5-inch, nitrogen-charged monotube coilovers feature 8-stage adjustability and external reservoirs offering 56% more fluid capacity for cooler, more consistent performance. A secondary V2 monotube shock at each front corner creates a dual-shock setup that enhances stability and control on every journey.Stronger by Design: Heavy-duty 1/4-inch fabricated coilover mounts ensure maximum strength and durability under the harshest conditions. Tubular radius

arms feature a massive 2-inch outer diameter, precision-fit for OEM mounts, maintaining a factory- like suspension angle while delivering unmatched strength. Durable rubber bushings help absorb vibration, promoting a smoother, quieter ride on or off the road.Enhanced Rear Suspension: Heavy- duty fabricated lift blocks outperform cast alternatives in strength and reliability. Anti-axle wrap rear blocks preserve factory ride quality while eliminating unwanted axle movement. For all-terrain

control, upgrade with optional V2 or Vertex rear shocks to complete a four-corner performance package.Hassle-Free Installation: This system is fully bolt-on, no cutting or drilling required. Top-mounted reservoir brackets ensure clean, secure placement, while front-to-rear leveling eliminates factory rake for a more aggressive, balanced stance. Boosted ground clearance improves off-road capability, and enhanced suspension geometry keeps your Super Duty performing at its

best.Backed by Confidence: Covered by Rough Country's Limited Lifetime Replacement Warranty, this 4.5-Inch Coilover Lift Kit offers peace of mind with every mile. Drive harder. Ride smoother. Lift smarter with Rough Country.

OUT OF STOCK SHIPS FREE

Product Questions

Ask A Question

Bundle and Save with these options

request catalog
Unlock Additional Savings Now! Request Now X