The NGK DPR7EIX9 Iridium IX ATV spark plug for Honda TRX350 Fm Fourtrax Rancher 4X4 2002-2006 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.