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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 | 4 Link | M1 | Ford F-250/f-350 Super Duty (05-07)

Part #: 57940UPC: 840269918155Brand: Rough Country

$1,659.95

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 diesel F-250/F-350 Super Duty owners who want 6 inches of ground clearance without sacrificing geometry, this Rough Country 4-Link Suspension Lift Kit delivers aggressive stance alongside factory-correct suspension angles. The kit preserves caster geometry through radius arm drop brackets and adjustable lower control arms, so your truck handles like stock — just lifted. Recommended tire range is 35"–37".

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" Upper Arm Kit — precision-fit to factory mounts for simplified installation and correct suspension geometry.
  • 6" Lower Arms — adjustable at the axle to dial in proper caster and maintain factory handling characteristics.
  • 6" D-Coil Springs — lifted coil springs engineered for balanced on and off-road ride quality.
  • 3" Rear Blocks & U-Bolt Kit — rear axle lift and secure mounting.
  • Add-A-Leaf — rear spring reinforcement for load capacity.
  • M1 Monotube Shock Absorbers (paired set) — valved N3 series shocks tuned for balanced performance in daily and off-road driving.
  • Track Bar Relocation Bracket & Drop Pitman Arm — maintain steering geometry and clearance after lift.
  • Brake Line Relocation Brackets — ensure proper brake line clearance with new suspension geometry.
  • Kit Box — all hardware, fasteners, and installation documentation.

Important notes

  • Does NOT fit gas engine models — diesel engines only.
  • Does NOT fit dually models.
  • Does NOT fit vehicles equipped with rear overload springs.

Why customers pick this at Road Runner

  • Radius arm drop brackets and adjustable lower control arms preserve factory caster — your truck drives straight and handles predictably after lift.
  • 100% bolt-on design — no cutting, drilling, or frame modifications required. Fast, clean install.
  • Rough Country Lifetime Replacement Warranty backed locally — we honor it with in-house service and parts availability.
  • Professionally installed by suspension specialists who perform these lifts every week and know the geometry inside and out.
  • Alignment performed in-house as part of every lift install — included with your kit, no separate appointment needed.

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

QtyPartPart #
16in Up Arm Kit | Ford Super Duty (05-16)1580 BOX 1
16in Lower Arms | Ford Super Duty (05-16)1580 BOX 2
1Kit Box | Ford Super Duty (05-07)1580 BOX 3
1Add-A-Leaf | Ford Super Duty (05-10)6111
13 Inch Block & U-Bolt Kit | Ford Excursion/F-250 Super Duty/F-350 Super Duty6539
1M1 MONOTUBE SHOCK PAIR770754P
1M1 MONOTUBE SHOCK PAIR770762P
16in D-Coil | Ford Super Duty (05-16)9295

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.
YearsMakeModelDrive
2005-2007FordF-250 Super Duty Harley-Davidson Edition4WD
2005-2007FordF-250 Super Duty King Ranch4WD
2005-2007FordF-250 Super Duty Lariat4WD
2005-2007FordF-250 Super Duty XL4WD
2005-2007FordF-250 Super Duty XLT4WD
2005-2007FordF-350 Super Duty Harley-Davidson Edition4WD
2005-2007FordF-350 Super Duty King Ranch4WD
2005-2007FordF-350 Super Duty Lariat4WD
2005-2007FordF-350 Super Duty XL4WD
2005-2007FordF-350 Super Duty XLT4WD
  • Tire size: 35″ to 37″ tall
  • Lift height: 6″
Does NOT fit gas engine models. Does NOT fit dually models. Does NOT models with rear overload springs.

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.