Spark plugs are vital components for gas-powered engines. However, they have a limited lifespan. Here are some common signs that it's time to replace yours.

Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

We firmly believe that sometimes even the longest-tenured hot-rodder should pause for a moment and recognize his or her journey in the hobby; take time to look back to where it all began and think ...

Spark plugs play a key role in keeping your engine running, since it's that little jolt of electricity that ignites the fuel/air mixture in a motor's cylinders. And that little spark has to be ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...