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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 | Diesel | Fr D/s | Vertex | Ford F-250/f-350 Super Duty (17-22)

Part #: 50451UPC: 843030169701Brand: Rough Country

$3,399.95

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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Call (678) 400-6467

Built for diesel F-250 Super Duty owners who want maximum ground clearance without sacrificing ride quality, this 6-inch radius arm lift kit delivers the height you need while preserving factory suspension geometry. Run up to 37-inch tires and enjoy smooth, predictable handling thanks to Rough Country's precision-engineered drop brackets and anti-wrap rear blocks.

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" Lift Kit Box — complete suspension lift assembly engineered for Ford Super Duty geometry correction.
  • Vertex 2.5 Front Shocks (qty 2) — N3 series valved absorbers balanced for on and off-road performance.
  • Vertex 2.5 Rear Shocks (qty 2) — matched rear dampers tuned to maintain factory ride quality.
  • Radius Arm Drop Brackets — precision-fit brackets preserve proper caster angles and factory-like suspension angles for predictable handling and driveability.
  • 6-Inch Coil Springs — lifted coil springs provide increased ground clearance while maintaining suspension compliance.
  • 4.5-Inch Fabricated Rear Blocks — stronger, longer-lasting blocks with anti-axle wrap design prevent binding and eliminate common lift-block problems.
  • CV Front Drive Shaft — diesel-specific driveshaft accommodates lift geometry and maintains smooth power delivery.

Important notes

  • Does not fit F-350 models, dually models, or models equipped with rear factory contact overload springs.
  • Does not fit manual shift transfer cases, gas engine models, models with 4-inch rear axle tubes, or vehicles equipped with the Tremor Factory Trim Package.
  • Maximum tire clearance is 37 inches. Larger tires may contact suspension or body components.
  • Front driveshaft modification included; no additional drive-train work required on 4WD diesel models.

Why customers pick this at Road Runner

  • Rough Country lifetime warranty backed locally — if anything fails, we take care of it.
  • Professionally installed by suspension technicians who perform these lifts every week and know every fitment nuance for your truck.
  • Alignment performed in-house as part of every lift install — caster and geometry dialed in while you wait.
  • Drop brackets and anti-wrap blocks preserve factory ride quality and handling without the guesswork of aftermarket geometry hacks.

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
1Kit Box | 6" Kit | Ford Super Duty (17-22)1504991
1CV Drive Shaft | Front | Diesel | Ford F-250/F-350 Super Duty 4WD (2017-2023)5068.1
2Vertex 2.5 FR 6 In | Ford Super Duty (05-22)685754
2Vertex 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 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 F-350 models. Does NOT fit dually models. Does NOT fit manual shift transfer cases Does NOT fit gas engine models. Does NOT fit models with 4" rear axle tube Does NOT fit models equipped with rear factory contact overload springs 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.