The 4-Pack DENSO 3067 / W20EXR-U11 Spark Plugs are reliable ignition components designed for gasoline engines. Made with nickel material, these spark plugs offer a standard configuration with a 14mm thread diameter and a voltage of 12V. Manufactured in Japan by the trusted brand DENSO, these spark plugs are suitable for various vehicle models and are sure to provide optimal performance and durability for your car or truck. Upgrade your ignition system with these high-quality spark plugs for improved fuel efficiency and power output.