ICON Stage 1 Coilover Conversion System for 17-23 Ford F250/F350, 2.5-Inch Lift with Expansion Packs

Upgrade suspension control on 2017–2023 Ford F-Series Super Duty platforms with the ICON Stage 1 Coilover Conversion System, engineered to deliver progressive damping and balanced lift for 4WD gas models while eliminating low-speed shock flutter through integrated remote expansion pack technology.

• Levelized Stance & Tire Capability: Raises the front by 2.5 inches and the rear by up to 2 inches (Single Rear Wheel configurations), establishing a level profile that safely accommodates up to 35-inch tires without fender modification, with limited clearance retained for 37x12.50-inch rubber.
• Thermal Performance Enhancement: External expansion packs attach directly to the coilovers to increase total fluid capacity, moving heat away from the piston seals and keeping consistent ride quality during extended rock crawling, desert running, or heavy-load towing sequences.
• Optimized Wheel Backspace Geometry: Shock body dimensions and spring cup locations assume 6mm offset aftermarket rims; the system achieves ideal steering axis alignment and avoids brake干涉 when paired with 20x9-inch wheels set at 5.25-inch backspace.
• Verified Model Compatibility: Confirmed strictly for Crew Cab Gas 4WD trucks manufactured between 2017 and 2023; design precludes use on 2024 models, all diesel configurations, and any F-350 or F-450 Cab & Chassis variants that differ in axle housing or frame rails.
• Tremor Package Exception Notice: Vehicles originally equipped with the Tremor factory suspension measure approximately 1.5 inches of additional lift over their stock height rather than the standard 2.5-inch elevation due to distinct preload settings and component heights.
• Essential Hardware Requirements: Installation depends on lengthening the brake lines (Kit 61111 or equivalent) for Single Rear Wheel trucks to ensure full downtravel access, and an external adjustable track bar may be required to square the rear axle laterally and add mounting gussets.
• Application Note: All measurements reference baseline empty weight conditions prior to aftermarket cargo loading; verify payload capacities and ensure tire size selection remains within legal DOT guidelines for road usage.