6 Inch Lift Kit | Diesel | No Ovld | Vertex | Ford F-250/f-350 Super Duty (23-26)

Built for Ford Super Duty diesel owners who want 6 inches of lift without sacrificing ride quality, this Rough Country Vertex suspension kit combines radius arm drop brackets with N3 shock absorbers to raise your truck while preserving factory geometry and handling. Run up to 37-inch tires and level your Super Duty's profile with a kit engineered to maintain the smooth, stock ride feel.

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 FR 6 In shocks (qty 2) — front coil-over absorbers delivering balanced on and off-road performance with proper ride height and damping.
• Vertex 2.5 RR 6 In shocks (qty 2) — rear N3 series absorbers tuned for the lift, maintaining comfort and control.
• 6 Inch Coil Box — precision spacer that safely extends your front suspension travel while keeping geometry correct.
• 4.5 In Block U-Bolt Kit No Overloads — fabricated rear blocks stronger and more durable than cast alternatives, with anti-axle wrap design to eliminate common lift-block issues and preserve stock ride quality.
• Radius Arm Drop Brackets — allow proper caster geometry to be set and maintained, crucial for factory handling and driveability after the lift.
• Transfer Case Clocking Kit — re-indexes the transfer case for correct driveline angles and smooth operation at the new ride height.
• Kit Box — all fasteners, hardware, and installation accessories needed for a complete bolt-on installation.

Important notes

• Does not fit gas engine models — diesel only.
• Does not fit manual shift transfer cases — automatic transfer case required.
• Does not fit dually models.
• Does not work on models equipped with Tremor Factory Trim Package.
• Models equipped with a 10-speed transmission must remove dial pin during installation.

Why customers pick this at Road Runner

• Radius arm drop brackets maintain factory suspension angles — proper caster is preserved, so your truck handles like stock even after 6 inches of lift.
• Rough Country limited lifetime warranty backed by local installation — if anything fails due to manufacturer defect, we take care of it.
• Our technicians install these kits every week — no guesswork, just proven execution and attention to detail.
• Professional wheel alignment performed in-house as part of every lift install, ensuring your truck drives straight and tire wear is even.
• Transfer case re-indexing handled by our team — driveline geometry stays correct so you avoid vibration and premature wear.

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