6 Inch Lift | Ovld | D/s | C/o V2 | Ford F-250/f-350 Super Duty (17-22)

Built for Super Duty diesel owners who want the stance and tire clearance of a 6-inch lift without sacrificing factory ride quality, this Rough Country Coilover Suspension Lift Kit transforms your F-250 or F-350 into a capable platform for 35–37 inch tires. The conversion from factory coil springs to 2.5-inch Vertex Coilovers — paired with radius arm drop brackets that preserve proper caster geometry — delivers both the height and handling you're after.

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 and coilover conversion kit — structural and engineered foundation for the full 6-inch gain in ground clearance.
• Vertex 2.5-inch adjustable coilover shocks (pair) — nitrogen-charged, 8-stage adjustable monotube design with external reservoir, delivering 56% greater fluid capacity than standard shocks for superior damping control and ride quality.
• Radius arm drop brackets — precision-fit to factory mounts, maintaining proper caster angle to preserve factory handling and driveability.
• 6.5-inch block U-bolt overloads — fabricated rear blocks engineered to prevent axle wrap while maintaining stock ride quality.
• CV front driveshaft (diesel 4WD) — OEM-spec driveshaft to accommodate lift geometry and prevent binding.

Important notes

• Diesel engine only — does NOT fit gas Super Duty models.
• 4WD only — does NOT fit dually or dual-rear-wheel models.
• Automatic transmission required — does NOT fit manual shift transfer cases.
• Factory rear contact overload springs required — kit only fits trucks originally equipped with this spring type.
• NOT compatible with Tremor Factory Trim Package.
• Installation requires cutting and drilling; plan 6–10 hours for full completion.

Why customers pick this at Road Runner

• Radius arm geometry correction — drop brackets keep caster angles factory-close, so your truck handles and tracks like stock, not like a lifted truck.
• Professional installation with in-house alignment — our techs do these builds every week; alignment performed as part of the install ensures your suspension angles are dialed.
• Rough Country Lifetime Warranty backed locally — we stand behind every kit we install, and we're here to handle any defects.
• Vertex Coilover quality — the 2.5-inch monotube design with external reservoir is the real deal — better damping, better ride, better durability than bolt-on shocks.
• Driveshaft included — no surprises or second trips when the CV shaft is already in the box and tuned to your truck's geometry.

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