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 ...

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 ...