GR-2 Premium Shocks and Struts are specially designed to provide a smooth, secure ride with excellent control for drivers who are looking for ride comfort and improved handling. With its patented check valve, the GR-2 Premium Shocks and Struts always maintain excellent performance under even the roughest conditions. It also provides comfort and control that is often better than original equipment. GR-2 Premium Shocks and Struts are available for virtually all vehicles on the road today.