This DENSO Iridium spark plug, part code IW22, is engineered to deliver superior ignition performance. Its advanced iridium alloy construction ensures exceptional durability and a high melting point, allowing for a finer electrode tip. This design promotes a stronger spark and more efficient combustion, leading to improved fuel economy and reduced emissions. The IW22 is built to meet the demanding requirements of modern engines. It provides reliable starting and consistent performance across a wide range of operating conditions. Trust DENSO's expertise in ignition technology for your vehicle's needs.