Enhance the performance of your vehicle's ignition system with these DENSO 3128, PK20R11, double platinum spark plugs. The standard configuration and 14mm thread diameter make them suitable for a wide range of gasoline engines. These spark plugs have a voltage of 12V and are manufactured in Japan by DENSO, a trusted brand in the automotive industry. The OE/OEM part number PK20R11 and manufacturer part number 3128 ensure that you are getting high-quality parts for your vehicle. These spark plugs are not vintage and are designed to work efficiently with modern engines. Upgrade your ignition system with these reliable and durable spark plugs from DENSO.