The DENSO Iridium TT spark plug (part code TV16TT) is engineered for superior ignition performance and durability. Featuring a unique twin-tip design, it ensures a stronger spark and more efficient combustion, leading to improved fuel economy and reduced emissions. This spark plug is designed to meet the demanding requirements of modern engines. Its advanced materials and construction provide exceptional resistance to wear and fouling, ensuring consistent performance over a long service life. Trust DENSO for reliable ignition that keeps your engine running smoothly. Installation of the TV16TT spark plug can contribute to smoother idling, quicker acceleration, and overall better engine responsiveness. It's a direct fit for compatible vehicles, making replacement straightforward.