The BOSCH Spark Plug ZQR8SI302 is a high-quality spark plug engineered to deliver reliable ignition and superior engine performance. It features a finely crafted iridium center electrode that ensures precise spark and efficient combustion. The iridium alloy used in the electrode provides exceptional durability and wear resistance, resulting in an extended service life. The spark plug's tapered ground electrode design promotes better flame propagation, enhancing fuel efficiency and power output. With BOSCH's cutting-edge technology and commitment to excellence, the ZQR8SI302 spark plug is designed to meet the demanding requirements of modern gasoline engines, ensuring optimal performance, smooth operation, and reduced emissions