If you want to get performance spark plugs in hopes it will increase your car's horsepower, pump your brakes for a second. It's not that simple.

If your lawn mower runs on gas, then you've got a spark plug tucked inside the engine that plays a bigger role than you might think. Spark plugs are what fire up the engine in the first place. They ...

Spark plugs may be small, but they play a huge role in how your engine performs. These components ignite the air-fuel mixture ...

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 ...