The DENSO Iridium TT spark plug (part code ZXE24HLR7) is designed to deliver superior ignition performance. Featuring a unique Iridium TT alloy for both the center and ground electrodes, it ensures a hotter spark and extended lifespan. This advanced design promotes more efficient fuel combustion, leading to improved engine responsiveness and fuel economy. The Iridium TT technology minimizes wear, providing reliable performance over a longer service interval compared to conventional spark plugs. DENSO's commitment to quality is evident in the precision engineering of the ZXE24HLR7. It is built to withstand the demanding conditions of modern engines, offering consistent and powerful ignition for a wide range of vehicles. Choosing the DENSO ZXE24HLR7 means investing in engine health and optimal performance. Experience smoother idling, quicker acceleration, and overall enhanced driving dynamics with this high-performance spark plug.