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    Lisle Inlline Spark Tester

    Part # 20610
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    • Product Details

      Part No. 20610

      Warranty Details (LIMITED LIFETIME REPLACEMENT)

      Gives a visual check of the ignition system. Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. Tool is double ended to offer a straight boot and a 90 degree boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark

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