This DENSO W24FPR-U10 spark plug features advanced iridium technology for superior ignitability and a long service life. Its design promotes efficient combustion, leading to improved fuel economy and reduced emissions. The U-groove ground electrode is engineered to reduce quenching, allowing the flame kernel to expand more freely for a more complete burn. This translates to consistent performance across a wide range of driving conditions. Crafted with high-quality materials, the W24FPR-U10 offers exceptional resistance to wear and fouling, ensuring dependable ignition even in demanding applications. Trust DENSO for precision-engineered ignition components that deliver reliable power.