The main job of your shocks and struts is to keep your tires firmly on the ground. When shocks are worn, your vehicle won't handle as well and could even become unsafe. Replacing worn shocks and struts will extend the life of your tires and prevent other suspension damage. At 1 STOP Tire & Auto Service in Castle Rock we install quality NAPA replacement parts. Give us a call at 303.688.0366 let us help keep you safely and economically on the road.