The product is a set of 8 Champion Spark Plugs 533 UJ11G spark plugs. Champion Spark Plugs are a well-known brand known for their high-quality ignition systems and components. The spark plugs are designed to provide reliable spark performance for improved engine efficiency and power. With the manufacturer part number 533, these spark plugs are compatible with various car and truck models, making them a versatile and essential component for maintaining your vehicle's ignition system.