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 ...

Considering the price differences between different spark plug types, you may be tempted to switch from platinum to copper plugs. Here's why that's a bad idea.

Yes, they're small, and they all practically look just alike, and even in the best of circumstances you're throwing them away and replacing them every few races, but spending a little time to make ...