6 Inch Lift Kit | 4-link | No Ovld | C/o Vertex | Ford F-250 Super Duty (15-16)

Built for F-250 Super Duty owners who want premium ride quality and a commanding stance, this 6-inch 4-Link Coilover Conversion Lift Kit replaces your factory suspension with adjustable Vertex coilovers and a true 4-Link geometry. You'll gain 6 inches of ground clearance, proper caster correction, and the ability to dial in dampening for your exact driving style — all while supporting up to 37-inch tires.

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

• Block U-Bolt Kit (No Overloads) — Fabricated blocks that are stronger and offer longer lifespan than cast alternatives.
• 6-inch Upper Arm Kit — Fixed upper control arms engineered for the 4-Link conversion.
• 6-inch Lower Control Arms — Adjustable lower arms that work with radius drop brackets to maintain proper caster geometry.
• 589 Box Kit & 6-inch Coilover Conversion Box — 1/4-inch steel top-mounted reservoir brackets and coil-over mounts that secure the front conversion.
• Vertex 2.5 Adjustable Front Coilovers (pair) — 2.5-inch piston, nitrogen-charged, 8-stage adjustable shocks with monotube design and external reservoir. 56% greater fluid capacity than average reservoir shocks for superior damping control.
• Vertex 2.5 Rear Coilovers (pair) — Anti-axle wrap design that maintains stock ride quality while eliminating common lift-block issues.
• Radius Arm Drop Brackets — Allow for properly set caster, which is crucial to maintaining factory handling and driveability.

Important notes

• Does not fit F-350 models, gas engine models, or dually configurations.
• Installation requires cutting and drilling; estimated 6–10 hours to complete.
• The fabricated lift block replaces the factory equipped lift block.
• Radius arm drop brackets maintain proper geometry and caster correction — factory handling is preserved.

Why customers pick this at Road Runner

• Rough Country Lifetime Warranty backed locally — we stand behind every kit we install.
• Professionally installed by techs who perform these conversions every week; cutting and drilling handled with precision.
• Alignment performed in-house as part of every lift install — caster is set correctly before you drive home.
• Vertex Coilovers are 8-stage adjustable — dial in dampening for your load, terrain, and driving style.
• True 4-Link geometry eliminates common suspension compromises; anti-axle wrap rear blocks preserve ride quality.

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