View post: REI Has a 'Comfortable' Rain Jacket on Sale for Almost 50% Off This spark plug tester features an innovative dual-socket design, allowing you to test two spark plugs simultaneously. By ...

When most drivers turn the key or press a button to start their vehicle, they’re probably not mentally going through everything that needs to happen in order for their engine to start. And while the ...

All spark plugs may look the same to the untrained eye. Unfortunately, nothing could be further from the truth. For starters, spark plugs come in many types that are mainly differentiated by the ...

When building a custom engine combination, it becomes a challenge to choose the right spark plugs, since there are often no factory reference points from which to start. And this is much more than ...

The spark plugs inside your car's gas engine are remarkably durable and could last for dozens of oil changes before needing to be replaced. For components that withstand intense heat, pressure, ...

If you consider your spark plugs little more than disposable engine parts to be replaced for every event or two, you're missing out on a valuable engine-tuning tool. Not only can the correct plug ...

Many car owners take the mighty spark plug for granted. It’s a simple yet crucial device that’s responsible for delivering the spark that ignites the fuel mixture in your engine. There’s more to it ...

Your engine’s spark plugs are one of its smallest and most important, parts. We look at some of the best. The engine in your car, truck, or crossover operates on the simple principle of capturing the ...