6 Inch Lift Kit | 4-link | Ovld | Ford F-250/f-350 Super Duty 4wd (2017-2022)

Built for F-250 Super Duty 4WD owners who want maximum ground clearance without compromising factory geometry, this 6-inch 4-Link lift kit combines a coil-spring front lift with fabricated rear blocks and adjustable lower control arms to deliver both aggressive stance and preserved drivability. Supports 35"–37" tires while maintaining proper caster angles through radius arm drop brackets.

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

• N3 Shock Kit — Nitrogen-charged shocks engineered for balanced on and off-road performance with a smooth highway ride.
• 6.5 In Block U-Bolt Overloads — Specially designed anti-axle wrap rear blocks that maintain stock ride quality while eliminating common lift-block binding.
• 56020 Box Kit — Fabricated coil-spring housing stronger and longer-lasting than cast alternatives.
• 4.5–6in Up Arm & Lower Arms — Durable fixed upper arms and adjustable lower control arms for the 4-Link conversion.
• Transfer Case Clocking Kit — Ensures proper driveline geometry during installation.
• 6 Inch Coil Box — Lifted coil springs that level front with rear and add ground clearance.
• Radius Arm Drop Brackets & Extended Brake Lines — Maintain proper caster geometry and extend brake lines to accommodate the lift height.

Important notes

• Fits F-250 Super Duty 4WD only — does NOT fit F-350, gas engines, manual shift transfer cases, dually models, or models with 4" rear axle tube.
• Does NOT work with the Tremor Factory Trim Package.
• Replaces factory lift block — new fabricated block included in kit.
• Tire clearance maxes at 37" — exceeding this size may cause rubbing or component interference.
• Transfer case re-indexing required as part of installation.

Why customers pick this at Road Runner

• Radius arm drop brackets preserve factory caster angles — critical for maintaining OE steering feel and tire wear.
• Rough Country Lifetime Replacement Warranty backed by local installation and support.
• Professional alignment performed in-house as part of every lift install — corrected geometry from day one.
• Fabricated blocks engineered to eliminate axle wrap and binding — superior to cast competitors.
• N3 shocks tuned specifically for Super Duty geometry — balanced on-road comfort and off-road capability.
• Experienced tech crew installs these kits weekly — no guesswork, just proven results.

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