and a list of the top spark plugs available. We’ll start with the best spark plugs, but if you want to learn more about them, use the table of contents to navigate. Check Price Combining ...

Autolite has a long history and is now known for its aftermarket spark plugs, manufacturing products for everything from race cars to riding mowers. Autolite plugs are some of the best-rated and ...

But even a fully scientific test with two or more vehicles running side by side in the same conditions (aside from the spark plugs) would probably yield a negligible difference at best.

Spark plugs are one of those mechanical components that can easily be forgotten about, but they do need to be changed at some ...