Suncore's premium twin-tube design shock absorbers are engineered for each individual application and are built with only premium materials and components. Our shocks and struts are rigorously tested for proper functionality and long lasting performance to meet or exceed original equipment standard. Precision-Engineered All components are precision-engineered to ensure proper performance and direct fitment with absolutely no modifications required. Nitrogen-Charged Durable twin-tube designed shocks consists of all-weather hydraulic oil and nitrogen gas to ensure stability and proper functionality in even the coldest weather. Factory Performance Every shock and strut features application engineered valves to optimize each vehicle's unique ride and handling characteristics.