Spark Plugs » Denso (4033) W24ESR-U Traditional Spark Plug, Pack of 1
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Automotive
Publisher: DENSO
Sales Rank in Automotive: #290471
Product Review
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.
