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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 | Ovlds | C/o Vertex | Ford F-250/f-350 Super Duty 4wd (17-22)

Part #: 51757UPC: 840269915178Brand: Rough Country

$3,229.95

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 and tire capacity without sacrificing ride quality, this 6-inch coilover suspension lift kit transforms your truck's capability. Run up to 37-inch tires while maintaining factory-like suspension geometry — Rough Country's radius arm drop brackets preserve proper caster angles so your truck handles and drives like the day you bought it.

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 lift kit box — Rough Country's complete structural package engineered for your fourth-generation Super Duty.
  • Vertex 2.5-inch adjustable front coilovers (pair) — Nitrogen-charged, 8-stage adjustable shocks with monotube design and external reservoir for 56% greater fluid capacity than average reservoir shocks; optimized damping control across varied terrain.
  • Vertex 2.5-inch rear coilovers (pair) — Matched rear units maintain suspension balance and factory ride quality.
  • Radius arm drop brackets — Precision-fit to factory mounts; allow proper caster geometry correction so handling remains factory-like.
  • 6.5-inch block u-bolt kit — Heavy-duty fastening for rear axle stability.
  • Fabricated rear suspension blocks — Stronger and longer-lasting than cast alternatives; specially designed anti-axle wrap geometry maintains stock ride while eliminating common lift-block issues.
  • Transfer case clocking kit — Re-indexes transfer case to maintain factory driveline angles.
  • Universal u-bolt hardware — Additional fastening for secure assembly.

Important notes

  • Does NOT fit gas engine models — diesel only.
  • Does NOT fit dually models.
  • Does NOT fit manual shift transfer cases — automatic transmission transfer cases only.
  • ONLY fits models equipped with rear factory contact overload springs.
  • Does NOT work on models equipped with Tremor Factory Trim Package.
  • Installation requires cutting and drilling; plan 6–10 hours for completion.

Why customers pick this at Road Runner

  • Rough Country's lifetime warranty against manufacturer defects — backed locally by techs who install these kits every week.
  • Radius arm drop brackets preserve factory caster and suspension geometry, so your truck drives and handles like stock.
  • Vertex 2.5-inch monotube coilovers with 8-stage adjustability and external reservoir — engineered for serious off-road and street performance.
  • Professional alignment performed in-house as part of every lift install — corrects geometry after installation.
  • Same-day installation in our shop — most kits complete in one day.

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

QtyPartPart #
1Univ. 3 4 X 4 1 X 1 2in U-Bolt Kit | Ford Super Duty (17-22)7675
1Transfer Case Clocking Kit | Ford Super Duty (17-24)55003
2Vertex 2.5 RR 6 In | Ford Super Duty (17-25)695805
1Kit Box | 6" Kit | Ford Super Duty (17-22)1504991
16" Kit Box | Coilover Conversion | Ford Super Duty (17-22)50010991
16.5 In Block U-Bolt Kitoverloads | Ford Super Duty (17-22)1550BOX2
1Vertex 2.5 Adj FR Lh 4.5IN-6.IN | Ford F250/F350 4WD (05-22)685042L
1Vertex 2.5 Adj FR Rh 4.5IN-6.IN | Ford F250/F350 4WD (05-22)685042R

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.
  • 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 ONLY fits 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.