[Iridium spark plug]: Iridium is a type of refined alloy which is highly suitable to be used as the materials of the central electrode in a spark plug. It extends the life of the spark plug nearly threefold, ensures a more stable idle speed of the engine, and delivers a super performance to the engine with improved fuel efficiency, reduced emissions and faster starting up.
[Customer Support]: 1-Year Unlimited-Mileage Warranty. This Ignition Coil Kit is the ideal choice for direct replacement. We extremely value your satisfaction and strive to provide you good shopping experience. Any further question, please feel free to contact us at any time.