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This DENSO VDKH22F spark plug features an advanced iridium construction, offering superior durability and a hotter spark for improved fuel economy and power output. The fine-wire iridium center electrode provides excellent ignitability and resistance to fouling, ensuring consistent performance across a wide range of operating conditions. Its design minimizes voltage requirements, leading to reduced strain on the ignition system. Engineered for longevity, the VDKH22F iridium spark plug is built to withstand harsh engine environments and deliver dependable performance mile after mile. It's an ideal choice for drivers seeking enhanced engine responsiveness and fuel efficiency.