6 Inch Lift Kit | Gas | M1 | Ford F-250/f-350 Super Duty 4wd (2008-2010)

Built for Super Duty owners who want 6 inches of lift and corrected front-end geometry. This 6-inch lift kit raises your F-250/F-350 while maintaining proper caster angles and factory handling. You'll fit 35"–37" tires with plenty of clearance.

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 coil box — engineered for gas-engine Super Duty models with OE-matched spring rates and compatibility (2005–2022 Super Duty fitment).
• Add-A-Leaf — reinforces rear leaf springs for balanced load support under the lifted stance.
• 3-inch block and U-bolt kit — raises the rear axle and works with the coil springs to level front-to-rear.
• M1 Monotube shock absorbers (2 pairs) — valved for balanced on and off-road performance with proper damping for the lifted geometry.
• Radius arm drop brackets — repositions the front suspension geometry to maintain factory caster angles, preserving steering feel and tire wear.
• Heavy-duty track bar relocation bracket — centers the front axle and matches steering angles created by the drop pitman arm.
• Steering stabilizer relocation bracket — keeps steering control stable; a single RC problem solver is recommended with larger tires, and a dual stabilizer is required at 37 inches.

Important notes

• Does not fit diesel-engine Super Duty models — gas engines only.
• Does not fit dually models (dual rear wheels).
• If your truck is equipped with factory rear overload leafs, they must be removed before installation.
• Steering stabilizer upgrades are strongly recommended with 35"–37" tires — a single unit for 35"–36", a dual for 37".

Why customers pick this at Road Runner

• Caster-correcting geometry maintains factory steering response and prevents premature tire wear.
• Rough Country lifetime warranty backed locally — we stand behind every kit we install.
• Professional installation by technicians who perform these lifts every week on Super Duty trucks.
• Alignment performed in-house as part of every lift install, ensuring your suspension is dialed in.
• Same-day turnaround on most installs — you drive home lifted the same day.

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