DENSO's IWF22 spark plug is engineered for superior ignition and durability. Its advanced iridium construction ensures a hotter spark and longer lifespan compared to conventional plugs. This spark plug is designed to provide consistent performance across a wide range of driving conditions. It helps maintain optimal combustion, leading to improved fuel economy and reduced emissions. Trust DENSO for reliable ignition components that keep your engine running smoothly. The IWF22 is a direct fit for compatible vehicles, ensuring easy installation.