The space, or gap, between the center and side electrodes needs to be an exact distance across; otherwise, your plugs don't fire efficiently. Adjusting the distance between the two electrodesis called ...

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 ...

It seems as if spark plug wires are always in the way. If they're not cooking themselves on a header tube, they're contributing to that errant misfire that took you half a day to track down! As long ...

The spark plug is essentially a high-voltage “bridge” that ignites gas vapors inside your engine and makes your car go. On average, spark plugs should be replaced every 50-100,000 miles—the good news ...

For an engine family as ubiquitous as the small-block Chevy, dozens of ignition wire sets are available, either over the counter at your local auto parts store or from the performance aftermarket, but ...