This is a genuine Ducati OEM spark plug with part number 66060301A Champion RG59B. It is made in the United States and is designed to fit Ducati motorcycles. The spark plug is made by Champion, a trusted brand in the automotive and motorcycle industry. This is a single pack spark plug with OE/OEM part number RG59B and manufacturer part number 67090301A. It is a new and original product, perfect for replacing a worn out or outdated spark plug.