The NGK DPR7EIX9 Iridium IX ATV spark plug for Honda TRX350 Fe Fourtrax Rancher ES 4X4 2000-2003 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.