FOX's all-new Performance Elite shocks are a game changer for off road enthusiasts. PN 883-26-099 2.5" diameter remote reservoir mono-tube shocks are designed specifically for F250/F350 Super Duty trucks with 4-6" Lift for 2017-2019 and 5-7" Lift for 2020-2026 -- front position. Valving is tuned specifically for Super Duty's with larger than stock aftermarket wheels and tires. Get ready to take your driving experience to a whole new level. External reservoirs provide increased oil and nitrogen capacity for fade-free operation plus hardcore appearance. Dial-in performance to match your personal driving style and truck's specs with FOX Dual Speed Compression (DSC) adjusters. You'll get improved ride quality and handling on road, with exceptional damping control and reliability off-road. 2.5" impact extruded and CNC machined 6061-T6 aluminum bodies are hard anodized to resist corrosion and weigh less than steel body shocks. End treatments and other components are black-anodized aluminum for striking contrast. Inside, extreme-duty hard-chromed, heat treated 7/8" steel shafts drive race-developed high-flow pistons and proprietary seals. Sold in pairs.