The DENSO Iridium TT spark plug (IT16TT) is engineered for superior ignition performance and durability. Featuring a unique twin-tip design, it ensures a strong spark and efficient combustion, leading to improved fuel economy and reduced emissions. Crafted with advanced materials, this spark plug offers exceptional resistance to wear and fouling, providing long-lasting service life. Its precise manufacturing guarantees a perfect fit and consistent performance across a wide range of operating conditions. Upgrade your vehicle's ignition system with the DENSO IT16TT for a smoother running engine and enhanced overall driving experience. Trust in DENSO's commitment to quality and innovation for your automotive needs.