ST Suspension Ford Mustang S197 05-on except Shelby GT500 ST-X. ST Suspension is a high quality brand from KW Suspension. The ST-X kit features fixed damping and is height adjustable via threaded shock bodies, or where a threaded shock isn't possible it is height adjustable via shocks and a separate threaded spring platform. This kit will allow lowering of 30-60mm on the front axle and 35-55mm on the rear axle allowing you to get your ride height just where you want it. Price is for a full set. Image for illustration purposes only. Current lead time is around 4 weeks but please check with us when ordering as lead times may change.