The requirement to gap spark plugs might not be as common as it once was, but it's still an important bit of maintenance on ...

In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

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 ...

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 ...