6 Inch Lift Kit | Gas | Vertex | Ford F-250/f-350 Super Duty 4wd (2005-2007)

Built for Ford Super Duty owners who want a smooth, leveled stance with 6 inches of lift — this Rough Country Vertex kit combines coil springs tuned to your engine type with properly valved shocks and geometry-correcting brackets. You'll gain ground clearance while maintaining factory handling and caster angles, and can run 35"–37" tires depending on your setup.

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

• Kit Box (Ford Super Duty 05–07) — core structural and fastening components for your year and engine type.
• Add-A-Leaf (Ford Super Duty 05–10) — reinforces rear leaf springs for load capacity and ride consistency.
• 3 Inch Block And U-Bolt Kit — provides rear axle locating and suspension geometry correction.
• Vertex 2.5 Front Coil Springs (qty 2) — engineered coil rates matched to your engine, balancing on and off-road performance.
• Vertex 2.5 Rear Coil Springs (qty 2) — rear coil matched to front for level stance and smooth ride.
• N3 Series Shock Absorbers — balanced performance shocks tuned for both pavement and trail use.
• Radius Arm Drop Brackets — maintain proper caster angles and factory handling characteristics.
• Track Bar Relocation Bracket — centers the axle and corrects steering angles created by the drop pitman arm.
• Steering Stabilizer Relocation Bracket — preserves steering control after lift.
• 6 Inch Coil Box — integrated packaging for front suspension architecture.

Important notes

• This kit is designed for gas engines only — it does NOT fit diesel Super Duty models.
• Does NOT fit dually models.
• If your vehicle is equipped with rear overload leafs, they will need to be removed during installation.
• A Rough Country single steering stabilizer is recommended when running larger tires; a dual stabilizer is required if you install 37" tires.

Why customers pick this at Road Runner

• Radius arm and track bar drop brackets preserve proper caster and steering geometry — no clunky handling after lift.
• Coil springs tuned to your engine type (gas) provide smooth, predictable ride on road and trail.
• Professional installation and in-house alignment performed as part of every lift kit install — suspension geometry checked and corrected by technicians who do these every week.
• Rough Country's lifetime warranty backed locally — any defect covered at Road Runner, no mail-in hassle.

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