Our direct replacement HID lighting ballasts are quality engineered to regulate voltage from the vehicle's battery to the headlight for excellent nighttime visibility. The HID lighting ballast helps to restore proper operation of your vehicle's headlights and improves the overall performance of the high intensity discharge module. ATTENTION: Please remove and install HID bulbs with extreme care, failure to do so will result in flicking or a non-working headlight. All Dorman products are engineered in the United States and backed by 100 years of automotive aftermarket experience. Our solutions are thoroughly tested and inspected, and if you experience any difficulty installing or using our parts, we have a dedicated technical support team of ASE Blue Seal certified professionals ready to help. To learn more about our quality and innovation, visit DormanProducts.com.