ICON's 4.5" Stage 1 System is comprised of 4.5” lift coil springs optimized for trucks equipped with diesel engines with a dual rate design that allows for a softer initial rate for superb on-road comfort and a firmer secondary rate that increases during compression for excellent bottoming resistance and off-road performance. Fabricated radius arm drop brackets correct suspension geometry and ensure proper wheel alignment with the OE radius arms. The fabricated track bar drop bracket allows the axle to be properly centered under the frame and reduces road feedback throughout the steering system with improved on- and off-road manners thanks to the elimination of bump steer. Heavy-duty fabricated 5" rear blocks and U-bolt kit lift the rear of the vehicle and are designed to withstand heavy towing/hauling duty as well as the stresses of aggressive off-road use. ICON 2.0 Aluminum Series internal reservoir front and rear shocks feature a vehicle specific tune for improved vehicle handling and excellent ride quality on- and off-road. The included box kit includes fabricated front sway bar drop brackets to prevent bind, heavy-duty aluminum bump stop spacers, and high quality stainless steel extended brake lines.. This ICON Vehicle Dynamics 4.5” suspension system is a great way to lift your 4WD 2023 Ford F-250/F-350 Super Duty while drastically improving ride quality and performance and allowing fitment of larger, more aggressive wheel and tire combinations. This entry level system is perfect for on-road and towing use, as well as mild off-road use like job site duty and washboard gravel roads.. This suspension system features high quality CNC machined, laser cut, and brake formed components and with the endless hours ICON has spent testing and tuning our suspension components and shock absorbers as a complete system, you can rest assured you have the best suspension solution on the market.. ICON 4.5” suspension systems lift your Ford Super Duty while improving ride quality and performance. With endless hours spent testing and tuning our suspension components and shocks, you’ll have the best suspension solution on the market.. Recommended Aftermarket Tires: 37" x 12.50" (Larger tires may fit but fender trimming and modifications will be required.). ICON 2.0 Aluminum Series internal reservoir shocks feature vehicle specific tune for superior performance and ride quality. ICON engineered dual rate coil springs deliver 4.5" of front lift with exceptional vehicle control over varying terrain. APPLICATION NOTE #55: Shocks are fully serviceable. Lift heights indicated are for a stock equipped vehicle.. TECH NOTE: Trucks equipped with Tremor package with have front lift height of 3.5" over stock. ICON 2023 Ford F-250/F-350 Super Duty 4WD Diesel 4.5in Lift Stage 1 Suspension System. Recommended Aftermarket Wheels: ICON Alloys - 18x9" w/ 5.25” Backspace / 6mm Offset. Recommended Aftermarket Wheels: ICON Alloys - 20x9" w/ 5.25” Backspace / 6mm Offset. Lifetime guarantee against ICON fabricated component breakage or manufacturer defect. Recommended Aftermarket Wheels: ICON Alloys - 17x8.5" w/ 5” Backspace / 6mm Offset. Radius arm drop brackets correct geometry and caster for optimal alignment specs. Track bar drop bracket reduces track bar angle and corrects bump steer geometry. APPLICATION NOTE #115: Lift heights based on 4WD crew cab diesel. APPLICATION NOTE #6: Springs are rated for diesel engines only. Lifetime guarantee against coil spring breakage or sagging. Corrosion resistant anodized shock bodies with 5/8" shafts. APPLICATION NOTE #151: Fits single rear wheel models only. Approximately 50% increased front wheel travel over stock. 23 FORD F250/F350 4.5" STAGE 1 SUSPENSION SYSTEM DIESEL. TECH NOTE: Will not fit F-350 Cab & Chassis models. Fits 2023 F-250 / F-350 4WD diesel applications. Shocks are fully rebuildable and re-tunable. Stainless steel braided front brake lines. Heavy-duty fabricated rear lift blocks. TECH NOTE: Will not fit 2024 models. OEM Wheels & Tires Fitment: Yes. Suspension Lift Kit. SUSPENSION SYSTEM. K64541

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