This DENSO Iridium Spark Plug, part code VXUH20I, is engineered to deliver superior ignition performance. Its advanced iridium construction ensures exceptional durability and a consistent spark, leading to improved fuel economy and reduced emissions. The VXUH20I plug is designed for a wide range of applications, providing reliable starting power and smooth engine operation under various driving conditions. Trust DENSO for quality and performance in your ignition system. Key features include a fine-wire iridium center electrode for precise spark delivery and enhanced ignitability. The plug's robust design also contributes to a longer service life compared to conventional spark plugs.