As vehicles continue to advance, some automotive tools are starting to become irrelevant. Here's one that isn't as popular as ...

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 ...

It had been a long time since I'd even thought about gapping spark plugs, because my car used platinum plugs that were shipped pre-gapped with plastic sleeves to protect the setting from impacts in ...

Today, spark plugs are pretty easy to forget. In new Corvettes, theyseem to last forever. That wasn't the case years ago and, frankly, sparkplugs are often critical when it comes to performance and ...