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 ...

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 ...

Your engine's spark plugs are absolutely vital to the longevity and clean running of your engine. That's why they need to be changed regularly, and properly. Here's how to do that without making a ...

For most street engines, it’s a great idea to choose a spark plug with an extended reach tip. These plugs offer the same heat range options but push the spark out a few millimeters closer to the ...