Much like the spark plugs that are specific to any given engine, the spark plug wires or coil packs that ignite the plugs are not universal. Spark plugs come in many types, sizes, and tip shapes, and ...

Have you ever put much thought into the specifics of your car's ignition system-above and beyond the simple fact of whether it's working or not, that is? More specifically, how about those spark plug ...

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 ...

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 ...