Inline Spark Tester

List Price $14.95 Your Price $9.27 Item Number LIS20610 Mfg Lisle Part No 20610 In stock: Yes Tell a Friend:

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