NGK Laser Iridium Spark Plug - CR9EIB-9 } The Racing Spark Plug

} The Racing Spark Plug intended for competition should be able to resist to extreme conditions:

* All kits include: cylinder head cover

You will notice a VERY LARGE change in engine response on the spot

With dirt scraper

NGK Laser Iridium Spark Plug - CR9EIB-9 } The Racing Spark PlugLaser 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