ICON Vehicle Dynamics 4.50-Inch Suspension Lift System with Leaf Spring Expansion Packs and Radius Arms; Stage 4 - Ford F-250

Premium Lift with Performance and Precision. The ICON Vehicle Dynamics 4.50-Inch Suspension Lift System with Leaf Spring Expansion Packs and Radius Arms offers exceptional control, articulation, and durability for your 2023 F-250 Super Duty. Designed specifically for the 6.7L Powerstroke platform, this system elevates both ride height and performance with high-quality components engineered for demanding off-road and towing conditions.

Construction and Appearance. Featuring ICON's dual-rate 4.5" front coil springs and 2.5 Aluminum Series remote reservoir shocks, this kit significantly increases wheel travel— up to 50% over stock. Remote reservoirs improve heat dissipation and shock consistency under load. Fabricated radius arms with caster adjustment and high-clearance geometry ensure articulation and alignment, while a track bar and drop bracket maintain front-end stability. The rear leaf spring expansion packs deliver 2" of lift while preserving ride comfort. A dual steering stabilizer system, stainless steel braided brake lines, and corrosion-resistant finishes throughout complete this high-end lift solution.

Installation. Installation is rated hard, involving suspension disassembly, shock and arm replacement, and precision alignment. Professional installation is strongly recommended due to the complexity and need for accurate setup.

Warranty. ICON supports this kit with a lifetime guarantee against coil spring breakage or sagging and against any failure of fabricated components due to manufacturing defects. Shocks and stabilizers are fully rebuildable and re-tunable for future serviceability.

Application. This ICON Vehicle Dynamics 4.50-Inch Suspension Lift System with Leaf Spring Expansion Packs and Radius Arms fits 2023 4WD 6.7L Powerstroke F-250 Super Duty models.

Advanced Coil-Over Suspension Conversion. The ICON Vehicle Dynamics 4 to 5.50-Inch Coil-Over Conversion Suspension Lift System with Radius Arms transforms your 2023 F-250 Super Duty into a high-performance, off-road-capable machine. Designed for superior control, wheel travel, and ride quality, this system is built for enthusiasts who demand precision handling both on and off the trail.

Construction and Appearance. This system features adjustable ICON 2.5 Series coilovers with CAD-plated bodies and 7/8" shafts for long-term durability and corrosion resistance. The kit includes dual-rate coilovers, ICON 2.5 secondary remote reservoir front shocks, piggyback reservoir rear shocks, and CDE valve technology for in-cab compression damping adjustment. ICON's Intelligent Control (IIC) allows the suspension to dynamically respond to terrain in real time. Fabricated radius arms with built-in caster adjustability improve articulation and ground clearance, while the adjustable track bar and drop bracket maintain proper steering geometry. Stainless steel braided brake lines and heavy-duty rear lift blocks complete the package.

Installation. Installation is rated hard and involves detailed suspension component replacement and system calibration. Due to the complexity of electronic compression adjustment and alignment requirements, professional installation is highly recommended.

Warranty. ICON backs this system with a lifetime guarantee against coil spring sagging or breakage and against any failure of fabricated components due to manufacturer defects.

Application. This ICON Vehicle Dynamics 4 to 5.50-Inch Coil-Over Conversion Suspension Lift System with Radius Arms fits 2023 4WD F-250 Super Duty models.

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MPN: ICON Vehicle Dynamics K64544RL