6 Inch Lift Kit | Diesel | Ovld | Vertex | Ford F-250/f-350 Super Duty (23-26)

Built for Ford Super Duty diesel owners who want more ground clearance and tire capacity without sacrificing factory ride quality — this 6-inch radius arm drop lift kit gets you up to 37-inch tires while keeping suspension geometry factory-correct. The Vertex shocks and precision-engineered drop brackets preserve smooth handling and drivability.

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

• Vertex 2.5 Front Shocks (qty 2) — N3 series valved absorbers engineered for balanced on and off-road performance.
• Vertex 2.5 Rear Shocks (qty 2) — matched rear dampers that work with the lift geometry to maintain ride quality.
• Radius Arm Drop Brackets — precision-fit to factory mounts, these brackets preserve proper caster angle and factory handling characteristics.
• 6.5-Inch Block U-Bolt Kit (Overloads) — fabricated rear blocks stronger and more durable than cast alternatives, with anti-axle wrap design to eliminate common block problems.
• 6-Inch Coil Box — engineered to work with the drop brackets for correct front geometry.
• Transfer Case Clocking Kit — ensures proper transfer case alignment with the new suspension angles.
• Complete Installation Hardware — all fasteners and brackets needed for bolt-on assembly.

Important notes

• Diesel engines only — does not fit gas engine F-250/F-350 models.
• 10-speed transmission models require dial pin removal during installation.
• Does not fit manual shift transfer cases.
• Does not fit dually configurations.
• Does not fit vehicles equipped with the 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 limited lifetime warranty backed locally — we stand behind every install.
• Radius arm drop brackets maintain factory caster geometry, so handling and driveability feel stock after the lift.
• Professional alignment performed in-house as part of every lift install — your truck will track true.
• Vertex shocks tuned for both highway and off-road — no trade-off between ride and capability.
• Fabricated (not cast) blocks outlast the competition and resist axle wrap issues.
• Our technicians install these kits every week — quick, correct, and right the first time.

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