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Denso Auxiliary Spark Plug

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    • Part # 8601180
      Denso Auxiliary Spark Plug

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    • $6.95 $5.91

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      Caution! Our Denso Auxiliary Spark Plug does not fit all bike models. Please select your bike if you are not sure.

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    Denso Auxiliary Spark Plug

    Spark plugs are not all alike. With the world-famous DENSO U-Groove spark plug it's easy to see, thanks to its patented U-shaped ground electrode. The U-Groove forms a channel for the spark nucleus to form at the instant of ignition, limiting quenching to generate a more potent spark. The premium features don't stop there: DENSO's distinctive five-rib insulator in purified alumina prevents leakage and flashover, while dual internal copper-glass seals and a copper-core center electrode with nickel-alloy tip assure reliable spark delivery. To keep your engine running smoothly, its spark plugs must fire 25 times a second or more. If just one spark plug skips a beat you'll know it instantly, with rough running, poor acceleration, and reduced fuel economy. DENSO U-groove spark plugs combine dependable performance and superior value.

    Please note: Twin spark models (2004 and up) need a main and a auxiliary plug per cylinder.


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