Spark plugs are essential for cars with internal combustion engines. However, they can seize up and get stuck. Here's how to ...

Spark plugs break from overtightening, carbon buildup, or age. Do you know how to remove one safely? If not, this guide will ...

In olden times, part of the ritual of changing your engine's spark plugs was making sure that the gap was set correctly for optimum performance. That is, the distance between the spark plug's center ...

This is an extreme Champion racing spark plug once used in 15:1 NASCAR superspeedway motors with a radically cut-back side electrode. Spark plug manufacturers usually spot-weld side electrodes to the ...

Not every driver knows how often they need to change spark plugs in their car. The frequency is determined by many factors, such as the material from which the center electrode is made, the operating ...