NGK SIMR8A9 91064 Iridium Platinum Spark Plug, improves ignition performance for Honda CBR motorcycles

NGK SIMR8A9 91064 iridium platinum spark plug designed for Honda CBR motorcycles after 2000; electrodes use iridium with platinum side electrode, more resistant to high-temperature corrosion than standard nickel alloys, typically 2-3x lifespan. Thread size M14x1.25, reach 26.5 mm, resistance 6 kΩ. Functionally provides more stable ignition energy, improving mid-low RPM response and reducing misfires, especially suitable for high RPM conditions. Installation difficulty medium; a reliable choice to enhance motorcycle ignition performance.