NGK Spark Plug has patented a spark plug design with an insulator, metallic shell, and center electrode. The unique feature includes a step portion on the insulator and a curved surface on the ...

Niterra has been granted a patent for a spark plug design with a unique center electrode structure. The spark plug features a specific configuration that enhances performance and efficiency. The ...

If there is a component on a Pontiac engine that gets little or no thought, it's the spark plug. We refuse to spend much money or time on them, but unless your Pontiac is powered by a GM diesel, the ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...

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 ...