MSD coils will improve the performance of your vehicle. These coils mount directly in place of factory style versions for easy installation and accept OEM connectors as well. Performance output is improved thanks to a careful selection of better materials and efficient winding ratios. Founded in 1970 MSD, LLC is the leader in performance ignition components today's racers need to step up their vehicle's performance. MSD has completely redefined the ignition system by using cutting-edge technology called capacitive discharge (CD) that makes it possible to spark multiple times. The pioneer in research and development of high-performance ignition systems, the company offers the finest parts, including ignition controls, distributors, coils, timing accessories, spark plug wires, and more. Every product that leaves the state-of-the-art MSD factory is rigorously tested to deliver flawless quality and push the performance to the max while improving starting and ensuring smooth idle. That's why MSD is the number one ignition choice for performance fanatics and hardcore racers in NHRA, IHRA, NASCAR, World of Outlaws, DIRT, SCORE, IDBA, and many more.