In the era of high-tech combustion, the humble spark plug has evolved from a simple "igniter" into a precision-engineered component that can make or break your engine’s efficiency. Whether you are hau...

For nearly two decades, Iridium has been the undisputed king of the spark plug world. It was the "forever" plug—the one you installed and forgot about for 100,000 miles. But as we move deeper into 202...