Ruthenium spark plugs are designed to last longer than iridium plugs while burning more fuel/air mixture. However, they also ...

Modifying your spark plugs by "side gapping" is a legendary tuner trick. Does it actually boost horsepower, or is it just a myth? We checked the data.

Counterfeit spark plugs are everywhere online, and they can ruin your engine fast. Here's how to check yours, avoid sketchy sellers, and protect your car.

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 ...

Cars switched from distributors to coil packs because distributor systems needed a lot of maintenance and were prone to ...

It's always a good idea to have an emergency road kit when traveling. If you don't have a portable spark plug socket set, ...