The product is a set of 4 NGK Iridium IX spark plugs, model number BKR7EIX-11. These spark plugs are designed for standard configuration and are made of iridium material, known for its durability and high performance. Manufactured in Japan, these OEM spark plugs are suitable for gasoline engines and are considered a performance part that can enhance the ignition system of a car or truck. The universal fitment of these spark plugs makes them a versatile choice for various vehicles.