3.5" SST2.1 Suspension System with Falcon 2.1 Struts

The ReadyLIFT 3.5" SST2.1 Suspension System is a premium lift solution engineered specifically for 2021-2026 Ford F-150 4WD pickups. This system utilizes advanced Falcon 2.1 series dampers, including front replacement struts and rear adjustable piggyback shocks, to provide improved dynamic roll control and on-road comfort. The rear shocks offer 3-position fast-adjust settings, allowing users to select between Sport/daily, Moderate Tow/Haul, or Heavy Tow/Haul configurations based on their current driving needs. Built for durability, the kit includes DOM tubular steel upper control arms with corrected ball joint angles for enhanced strength during articulation, plus four alignment cam plates. The lift kit allows for tire sizes up to 35x12.5 inches (with minor trimming) or 295/60R20 on 9-inch wide wheels with +18 offset without trimming. The components feature 6061-T6 aluminum alloy shock bodies and 3/4-inch induction-hardened chrome-plated shafts to resist corrosion and rock damage. This system is not compatible with 2WD models and has not been tested on single cab configurations due to potential over-lifting concerns. Professional installation is highly recommended due to the 6-hour estimated labor time. Post-installation, the vehicle requires a professional alignment and headlamp aim adjustment. Additionally, if the vehicle is equipped with ADAS (Advanced Driver Assistance Systems), recalibration by an OEM-certified technician may be required to ensure proper camera and radar functionality. This kit is backed by a limited lifetime warranty.