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DENSO Introduces Iridium Spark Plug

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Nov. 6, 2014—DENSO has announced a new line of spark plugs engineered to last more than 100,000 miles on the road, and provide more power and superior fuel economy.

The new DENSO Iridium TT spark plug, with its unique Twin Tip Technology and patented design, delivers less obstruction to the spark than standard plugs, allowing an omni-directional expansion of the ignition flame. Small electrode tips mean less spark interference and more complete combustion.

“With iridium overtaking platinum spark plugs as the new OEM standard, we knew the aftermarket needed a top-performing, high-value iridium replacement plug,” Fran Labun, vice president, Sales Group, DENSO Products and Services Americas, Inc., said in a release. “The new DENSO Iridium TT spark plug is an innovative design that helps ensure complete combustion, even after many thousands of miles of use.”

The DENSO Iridium TT spark plug has the world's smallest center electrode, a 0.4 mm needle tip, composed of a patented iridium-rhodium alloy that offers exceptional protection against corrosion and high-temperature oxidation. The ground electrode also has a needle tip – a 0.7 mm platinum needle that’s designed to resist oxidation and wear. These small electrode tips create less interference for the ignition flame to expand and fully complete the combustion process.

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