The Rancho Suspension 3" Suspension System for 2014-2020 Ford F-150, No. RS66507R9, features a complete bolt-on design. The system includes a set of durable, tubular upper control arms specifically engineered to allow the ball joint to perform in its normal operating range, two sway bar spacers and mounting hardware for easy install, and 1-1/2" rear blocks. The kit also includes two Rancho RS9000XL front leveling struts and two rear RS9000XL shocks, delivering nine different stages of performance that provide the ability to manually tune the vehicle's ride to suit terrain and driver preference. The system fits up to 35" tires and no drivetrain modifications are required for the system.