NGK

For many engines, spark plug replacement is a relatively simple job—yet it’s also a job that absolutely needs to be done properly to avoid near-catastrophic issues. Horror stories abound of […]

While we’ve covered resistance in spark plug wires before, the opportunity recently arose to talk about resistance in spark plugs and plug boots too. You may have read the earlier […]

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 […]

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 […]