Denso Iridium FXE24HR11 Spark Plug SpecificationsWhatever your use or engine set-up the correct choice of spark plug is very important. Iridium is very heavy and dense metal ensuring that Denso spark plugs have a longer lifespan than OEM ones withstanding more than 100.000 km in standard use. Recommended for all Nissan VQ35HR and VQ37VHR engines for use both on the road and on track.Application ListInfiniti EX25Infiniti EX35Infiniti EX37Infiniti FX35Infiniti FX50Infiniti G25Infiniti G37Infiniti M35 / M35hInfiniti M37Infiniti Q50 / QX50Infiniti Q70Nissan 350Z (313 ch)Nissan 370ZNissan MuranoNissan Teana