The NGK SILMAR7A9S Laser Iridium spark plug for Honda SXS1000 M5Le Pioneer-5 LE 4X4 USA 2019-2021 ensures long-lasting performance and maximum ignition efficiency. Its ultra-thin iridium center electrode delivers powerful combustion and improved fuel economy. Designed for modern high-performance ATVs, it offers fast throttle response and excellent durability.