Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

Two hands working on the engine of a car. - Autolite Iridium Ultra Store A spark plug isn't just one standard item, and the market is full of different types, materials, and designs. They're each made ...

If you're like us, you've done a lot of thinking lately about the different shapes and lengths of spark plug tips. But odds are that you're nothing like us (good for you), and you've given absolutely ...

We may receive a commission on purchases made from links. A spark plug isn't just one standard item, and the market is full of different types, materials, and designs. They're each made to run best ...