The requirement to gap spark plugs might not be as common as it once was, but it's still an important bit of maintenance on ...

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 ...

In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

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