The product is a set of 4 genuine Ford Motorcraft SP-522 Iridium Spark Plugs with the OE/OEM part number CYFS-12-YP. These spark plugs are designed for direct replacement and are made with iridium material, suitable for gasoline fuel type. With the trusted Motorcraft brand and high-quality construction, these spark plugs are a reliable choice for maintaining optimal engine performance in your vehicle.