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 ...

Simply put, getting the maximum power from any race engine is a function of the temperature, pressure and timing of combustion gases in the cylinder. Since it would be expensive and impractical for ...

A spark plug thread chaser isn't always the answer, but it can make a big difference when you're installing fresh new plugs.

If you find you're changing spark plugs way more often than you expect, it's clear there's something wrong somewhere in your ...