Adjustable spark plug tester, inline spark plug tester

General Description: The adjustable spark plug tester is an indispensable tool for diagnosing your engine's ignition condition. It allows for easy testing of ignition coil quality based on spark color and electrode gap. The device is practically and intuitively designed, making the operation of the ignition coil easy to understand. Technical Specifications: Highly visible white markings for easy reading of the measuring gap; screw mounting for adjusting the spark gap. Applications: Misfire testing; determining ignition coil quality based on spark color; protecting the ignition coil from overheating and burnout.