Nickel Alloy Center Electrode -- for reliable, cost-effective performance.
EFFICIENCY / FUEL ECONOMY
Patented U-Groove① Ground Electrode -- enables complete combustion by allowing the spark to fill the gap created by the U shape. The ball of fire created in the U-Groove develops a larger and hotter flash front that virtually eliminates excessive fouling and erratic starts caused by poor fuel mixtures.
Which DENSO Spark Plug Is Right For You?
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