We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs, as the name ...

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 ...

If you've decided that you can get at your spark plugs without damaging your vehicle, assemble the items you need before you begin: Never change just a few plugs; it's all or nothing for even engine ...

Spark plugs are an essential part of your engine’s operation. When your engine fires, it’s the spark that causes the ignition cycle to begin. Over time, spark plugs wear out and should be replaced. If ...

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 ...

We earn commissions from purchases you make using links in our articles. Learn more. You don't have to pay a mechanic to change your spark plugs. Giving your engine fresh spark plugs should be part of ...