This spark plug tester features an innovative dual-socket design, allowing you to test two spark plugs simultaneously. By taking this approach, you can effectively compare the spark intensity of two ...

Easily diagnose engine ignition issues with our Inline Spark Plug Tester. This Straight Boot Engine Ignition Tester is designed for small engines, making it the perfect Ignition Coil Tester for ...

Almost every car owner has experienced the frustration of turning the key to find out that their car won't start. Often, the culprit is a dead battery, and SlashGear has already provided tips to check ...