2017-2022 Superduty 8.5" Lift Kit Falcon Shocks (49-27850)The ReadyLIFT 8. 5 inch Big Lift Kit for 2017 2022 Ford Super Duty Diesel trucks is a flagship suspension system that allows for the fitment of massive 38 to 40 inch tires. This kit features heavy duty radius arm drop brackets and a forged dropped pitman arm to correct suspension and steering geometry for a factory like feel. To handle the increased lift height, the system includes a transfer case clocking ring and a heavy duty transmission