ICON Vehicle Specific (V.S.) 2.5 Aluminum Series shocks are designed and built to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping tune. Like all ICON'S Shock Absorbers, V.S. 2.5 Aluminum Series shocks are 100% rebuildable and 100% revalveable. The larger diameter and oil volume of ICON 2.5 Internal Reservoir shocks provide improved suspension performance, better ride quality, and heat dissipation properties than the standard 2.0 Aluminum Series Internal Reservoir shocks. If you are looking for a more user defined tune, consider looking into the Compression Damping Control Valve (CDC Valve) shocks.. ICON 2.5 Aluminum Series shocks are designed to give your vehicle outstanding performance off-road and a smooth ride on the street. These shocks are configured specifically for each application in both length and damping tune.. One-piece digressive piston design with vehicle specific valving for unsurpassed performance and ride quality on and off-road. TECH NOTE: Compatible with 3-5" of front lift over stock on 2023-2025 Super Duty models equipped with Tremor package.. TECH NOTE: Compatible with 4-6" of front lift over stock on 2023-2025 Super Duty models without Tremor package.. One-piece impact extruded aluminum cylinders offer excellent corrosion resistance and consistent finish. TECH NOTE: Can be installed as secondary shocks in OE location with ICON 4-6" lift coilover conversions. Premium grade 5WT shock oil for consistent suspension damping along a wide temperature range. Increase in strength and heat dissipation when compared to ICON V.S. 2.0 Series shocks. Polyurethane bushings and forged steel mounting stems for OE factory type fitment. PTFE lined spherical bearings and application specific mounting hardware. TECH NOTE: Optimized length for pairing with ICON 4.5" lift coil springs. 7/8” diameter induction hardened, chrome plated shock shaft. Nitrogen charged monotube design with internal reservoir. 6061 aircraft grade aluminum CNC machined components. APPLICATION NOTE #150: Shocks are fully serviceable. ICON 23-24 FSD 4WD 4.5in Front 2.5 VS IR Pair. APPLICATION NOTE #1: Only fits 4WD models. 23-25 FSD 4.5" FRONT 2.5 VS IR PAIR. Suspension Shock Absorber Set. SHOCK ABSORBER PAIR. 100% Rebuildable. 100% Revalveable. 67611P

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