Are you looking for the ultimate solution in both performance and ride quality for your rear shocks? Look no further. The Air Lift Performance Series shocks are rebound adjustable and feature threaded bodies, allowing you to utilize the shock's stroke however you see fit. Are you running an aggressive wheel fitment where the wheel or tire could contact your vehicle's body panels? The adjustable bottom bracket allows you to determine the overall compressed height of your vehicle without the hassle of installing bump stops.