This DENSO Iridium Long Life spark plug (part code SXU22HDR8) is engineered for superior ignition and extended service life. Its advanced iridium construction ensures consistent spark energy, leading to improved combustion and reduced emissions. Designed to meet the demands of modern engines, this spark plug offers exceptional durability and resistance to fouling. It provides reliable starting and smooth idling, contributing to a better overall driving experience. Trust DENSO for high-quality ignition components that deliver performance and longevity.