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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 | No Ovlds | D/s | Ford F-250/f-350 Super Duty 4wd (17-22)

Part #: 51321UPC: 843030169817Brand: Rough Country

$1,799.95

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 Ford Super Duty owners who want maximum ground clearance without sacrificing drivability, this 6-inch lift kit transforms your truck while preserving factory ride quality. You get up to 37-inch tire clearance, radius arm drop brackets for proper caster geometry, and all the hardware to bolt it together in a day.

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" Coil Box — lifted coil springs engineered for your Super Duty that raise the front end while maintaining suspension geometry.
  • N3 Shock Kit — application-valved shock absorbers tuned for balanced on and off-road performance.
  • CV Front Driveshaft — Diesel-specific driveshaft that accommodates the new suspension angle and prevents binding.
  • Radius Arm Drop Brackets — precision-fit brackets that bolt to factory mounts, allowing proper caster correction to preserve handling and driveability.
  • 4.5" Rear Blocks with U-Bolts — fabricated anti-wrap blocks that eliminate common lift-block issues and binding while keeping ride quality stock.
  • Universal U-Bolt Kit — hardware for secure rear suspension attachment.

Important notes

  • Does NOT fit gas engine models — Diesel engines only.
  • Does NOT fit dually models.
  • Does NOT fit manual shift transfer cases.
  • Does NOT fit models with 3.5" 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.

Why customers pick this at Road Runner

  • Radius arm drop brackets correct caster angle after install — factory handling is preserved, not compromised.
  • Rough Country Lifetime Replacement Warranty backed by local service and parts availability.
  • Our technicians install these kits every week — same-day turnaround, zero guesswork.
  • Professional alignment performed in-house as part of every lift install.
  • Fabricated rear blocks with anti-wrap design eliminate common lift-kit problems and premature wear.

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
1N3 Shock Kit | Ford Super Duty (17-22)155030
1Univ. 3 4 X 4 1 X 1 2in U-Bolt Kit | Ford Super Duty (17-22)7673
1CV Drive Shaft | Front | Diesel | Ford F-250/F-350 Super Duty 4WD (2017-2023)5068.1

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 fit models with 3.5" 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.