Denso Spark Plug K20PR-U11 1PC

Denso Spark Plug Denso's standard plugs have always offered a patented U-groove ground electrode producing for a larger, hotter spark. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover.

• Efficient fuel consumption
• Improved cold-starting
• Stable combustion during idling