Arnott has designed the perfect value front shock replacement for your GM vehicle. This front shock provides a tight damping response for better control and stability. Arnott's passive shock includes a plug for the auto-damping control unit to eliminate dash panel error messages. FOR VEHICLES EQUIPPED WITH AUTORIDE ONLY. THESE SHOCKS SHOULD BE REPLACED IN PAIRS. Features: Arnott Shock Engineered in the USA Turns Off Dashboard Warning Light Detailed Installation Manual Available