Ignition Spark Tester

Inline Spark Tester

Connect one end to coil, other end to spark plug Window allows you to see the amount of spark

Spark Tester for Small Engines

Lisle Ignition Spark Tester

Works on both standard and electronic ignitions Simply adjust calibration screw to proper gap size

Small Engine Ignition Tester - For Small Engines

Designed exclusively for small engine repair Connect spark plug lead to tester and clip tester to g