The product is a set of 8 new OEM # 84T GM General Motors AC DELCO FIRE RING Spark Plugs. These spark plugs are designed for use in ignition systems of cars and trucks. They are manufactured by AC DELCO, a trusted brand under General Motors, ensuring high quality and compatibility with GM vehicles. The spark plugs feature a fire ring design for efficient ignition performance. This pack of spark plugs is new old stock (NOS), making them a reliable choice for replacing worn-out or faulty spark plugs in your vehicle.