NGK

Listen closely because your spark plugs may be trying to tell you something. Is your engine running too lean? Too rich? Is there an issue with oil control or ignition timing? Or is everything just fine with your engine? Like the mechanical version of the Magic 8-Ball, your spark plugs may have the answers for you. The trick is

The spark plug is the Rodney Dangerfield of the hot rodding universe. It gets no respect—or at least very little. As performance enthusiasts, we tend to focus on power builders like high-flow cylinder heads, big camshafts, and mandrel-bent exhaust components. Fact is you can throw thousands of dollars worth of speed parts at your engine,