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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Surface treatment for better thermal resistance
With dirt scraper
* All kits include: cylinder head cover
} The Racing Spark Plug intended for competition should be able to resist to extreme conditions:
Laser Iridium Spark Plugs provide superior ignitability and longer service life
NGK Laser Iridium Spark Plug - CR9EIB-9 Surface treatment for better thermalLaser Iridium Spark Plugs provide superior ignitability and longer service life. Laser welded Iridium center electrode tip Platinum disc welded to backside of ground electrode providing longer life Trivalent Metal Plating for superior anti corrosion and anti seizing capability Faster starts and faster acceleration Fuel economy and lower emissions
