ICON 19-23 GM 1500 2.5 EXP Front Coilover ShockEXP Series shocks utilize a one piece digressive piston design and are custom tuned for the 2019 2023 GM 1500 in conjunction with their stock front coil springs to maximize damping performance and provide unsurpassed ride quality, on and off road. The increased piston size and shock oil volume provided by the 2. 5 inch diameter aluminum body also provide superior heat dissipation compared to the smaller, steel bodied OE shocks, resulting in longer