A spark plug is a small but important part of an engine. It delivers the spark that ignites the fuel-air mixture, allowing the engine to run smoothly. When a spark plug fails, the engine may misfire, ...

Spark plug wires play a crucial role in a vehicle’s ignition system, as they are responsible for transmitting the electrical signal from the ignition coil to the spark plugs. When they function ...

Every small gasoline engine has a spark plug, and this key component requires periodic inspection and testing. Learn how to do it here.

Though small, spark plugs play an important role in getting your vehicle started and keeping it running—so when they’re past their prime, you’re going to want to replace them.

Spark plugs are crucial engine components. We prepared the ultimate guide on everything you need to know about testing a spark plug.

Installing spark plug wire sleeving to help the performance of your engine and protect your wires from exhaust heat.