E-Venture 2.5 Shock Set 2017-Up Ford F250/F350 w/3.5/5.5 Lift Diesel Carli SuspensionUpgrade your peformance and control your own ride with the Carli E venture Shock Package. This shock package is perfect for any customer with an existing Carli 4. 5 inch 5. 5 inch system who wants to step up to the big leagues. Features and Benefits: SDI electronically controlled shocks that read and react 250 times per second for on the fly instant shock tuning. Tow Mode function which gives the user incrimental control over the rear shock firmness