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★★★★★ 4.9 (625 Google reviews) · Marietta shop · 📞 (678) 400-6467 · 🗺️ Get Directions · Live From The Shop
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Rough Country · Authorized Dealer

6 Inch Lift Kit | R/a | No Ovld | V2 Shocks | Ford F-250/f-350 Super Duty (17-22)

Part #: 55670UPC: 843030190194Brand: Rough Country

$1,819.95

Price does not include installation.

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*Estimated lease-to-own payment. Final approval and terms are determined by the lender. See all financing options →

🛠️ 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 Super Duty owners who demand max ground clearance without sacrificing factory handling, this 6-inch radius arm lift kit transforms your F-250/F-350 while preserving the geometry that keeps your truck feeling planted. Run up to 37-inch tires and enjoy smooth, off-road-ready performance thanks to precision-engineered radius arms and factory-line suspension angles.

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

  • 6 Inch Coil Box — Lifted coil springs engineered to deliver 6 inches of front height while maintaining factory ride quality.
  • Radius Arm Kit Box — Precision-fit radius arms measuring 27 lbs each, featuring durable rubber bushings for vibration absorption and proper caster geometry.
  • Radius Arm Upgrade Box (qty 2) — Enhanced radius arm components that bolt directly into factory mounts for easier installation and factory-like suspension angles.
  • 4.5 In Block U-Bolt Kit (No Overloads) — Specially designed fabricated anti-axle wrap rear blocks that prevent binding and maintain stock ride quality without common lift block problems.
  • Transfer Case Clocking Kit — Allows proper transfer case re-indexing to maintain driveline geometry after the lift.
  • V2 Monotube Shock Pair (qty 2) — Application-valved N3 series shock absorbers engineered for balanced on and off-road performance.

Important notes

  • Does NOT fit gas engine models.
  • Does NOT fit dually models.
  • Does NOT fit manual shift transfer cases.
  • Does NOT work on models equipped with Tremor Factory Trim Package.
  • Maximum tire clearance is 37 inches.

Why customers pick this at Road Runner

  • Radius arm drop brackets ensure proper caster correction — critical for maintaining factory handling and driveability after lift.
  • Fabricated anti-wrap rear blocks are stronger and last longer than cast alternatives, while eliminating common binding issues.
  • Transfer case clocking kit preserves driveline geometry, so your truck feels as factory-smooth lifted as it did stock.
  • Rough Country lifetime warranty backed by local technicians who install these kits every week.
  • Professional alignment performed in-house as part of every lift install.

Ready to build it? Call (678) 400-6467. Hablamos Español.

QtyPartPart #
16 Inch Coil Box | Ford Super Duty (05-22)9296
14.5 In Block U-Bolt Kit No Overloads | Ford Super Duty (11-22)1563BOX4
1Radius Arm Kit Box | Ford Super Duty (17-22)512BOX1
1Transfer Case Clocking Kit | Ford Super Duty (17-24)55003
1V2 MONOTUBE SHOCK PAIR760754-3
1V2 MONOTUBE SHOCK PAIR760805-2
1Radius Arm Upgrade Box | Ford F-250/F-350 Super Duty 4WD (2005-2022)53600991A
1Radius Arm Upgrade Box | Ford F-250/F-350 Super Duty 4WD (2005-2022)53600992A

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 N3 series 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.
  • Specially designed anti-axle wrap rear blocks maintain stock ride quality while eliminating common lift block problem.
YearsMakeModelDrive
2017-2022FordF-250 Super Duty King Ranch4WD
2017-2022FordF-250 Super Duty Lariat4WD
2017-2022FordF-250 Super Duty Platinum4WD
2017-2022FordF-250 Super Duty XL4WD
2017-2022FordF-250 Super Duty XLT4WD
2018-2022FordF-250 Super Duty Limited4WD
2017-2022FordF-350 Super Duty King Ranch4WD
2017-2022FordF-350 Super Duty Lariat4WD
2017-2022FordF-350 Super Duty Platinum4WD
2017-2022FordF-350 Super Duty XL4WD
2017-2022FordF-350 Super Duty XLT4WD
2018-2022FordF-350 Super Duty Limited4WD
  • Tire size: 35″ to 37″ tall
  • Lift height: 6″
Does NOT fit gas engine models. Does NOT fit dually models. Does NOT fit manual shift transfer cases Does NOT work on models equipped with Tremor Factory Trim Package

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.