This DENSO Iridium Spark Plug, part code ZXU20PR11, is designed to deliver superior ignition performance. Its advanced iridium construction ensures a hotter spark and longer lifespan compared to conventional plugs. Experience improved fuel efficiency and smoother engine operation with this high-quality spark plug. It is built to withstand extreme temperatures and pressures, providing reliable performance under various driving conditions. DENSO is a trusted name in ignition technology, and the ZXU20PR11 is a testament to their commitment to quality and innovation. This spark plug is an excellent choice for maintaining your vehicle's engine health and performance.