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NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. In fact NGK produces and stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers’ specifications. The vast experience and technology that NGK has ensures that there is no doubt that NGK are the world’s No.1 spark plug.
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Denso spark plugs help your vehicle achieve unparalleled performance. It alters the belief that a mere spark plug can add power and mileage. They are built to the highest quality available. Iridium conducts electricity better than platinum, however what makes it exceptional is it's also 6x harder and 8x stronger than platinum. Because of this, the center electrode can be machined down to 0.4mm. This ultra-fine iridium center electrode provides superior ignition performance during acceleration and top cruising RPM.
For more than 100 years, Champion has been a world leader in the manufacture of spark plugs for every kind of combustion engine. This experience has led to design enhancements that optimize the performance of every Champion spark plug.