The product is a pack of 4 Ford Motorcraft spark plugs with the manufacturer part number SP-530. These spark plugs are designed for optimal ignition performance and are specifically made by Motorcraft. Ideal for maintenance and replacement in vehicles, these iridium spark plugs provide reliable and efficient spark for improved engine performance. Perfect for car and truck owners looking for quality ignition components, these spark plugs are a trusted choice for ensuring smooth and efficient operation.