The DENSO Iridium TT spark plug (part code XUH22TT) is engineered for superior ignition performance and durability. Featuring a unique twin-tip design, this spark plug ensures a strong spark and efficient combustion, leading to improved fuel economy and reduced emissions. The iridium alloy used in its construction offers exceptional resistance to wear and high temperatures, providing a longer service life compared to conventional spark plugs. This spark plug is designed to meet the demanding requirements of modern engines, delivering consistent performance across a wide range of operating conditions. Trust DENSO for quality and innovation in ignition technology.