The Champion J4C Spark Plug is a set of 17 high-quality spark plugs designed to provide reliable ignition for your vehicle. Made by the trusted brand Champion Spark Plug, these spark plugs are essential components of the ignition system, ensuring optimal performance and efficiency. With this set of 17 spark plugs, you can trust that your car or truck will start smoothly and run smoothly, making them a valuable investment for any vehicle owner.