Denso Original Spark Plug For Saga / Iswara / Wira 1.3 / 1.5 W20EX-U11 ( 4pc )

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.

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