We earn commissions from purchases you make using links in our articles. Learn more. You’re likely aware that in order to keep your vehicle running in great shape, you’ll need to replace the spark ...

They may look like your average wires, but spark plug wires have a very important job to do. Their mission is to provide electricity from the car's 12 volt battery to the engine's spark plugs. Without ...

Even the world's finest ignition wires are at the mercy of two things:the ignition system and, of course, Mother Nature. As ignition powerbecomes stronger and spark-plug gaps increase, the chance of ...

for mower engines. A Tachometer is a gauge on a vehicle that tells you how quickly the crankshaft of the engine is turning. It is typically a unit of measure called revolutions per minute (RPM). There ...

Headers and spark plug wires rarely coexist in peace. Even with well-planned wire separators, one of those hot header tubes will eventually flambe the best of plug wires. The situation is aggravated ...

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 ...

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...

Changing your own spark plugs is a rite of passage among gearheads. It shows you’re fully aware that your car needs basic maintenance to stay in tip-top shape, and that you’re ready to tackle it ...