NGK Laser Iridium Spark Plug - IFR9H11 New forward and backward facing

New forward and backward facing teeth help increase rider grip even when the teeth start to wear

*Models 21-22-23 are equipped with a silent block that avoids vibrations

} OEM type cylinder head

YZF250 01-06

NGK Laser Iridium Spark Plug - IFR9H11 New forward and backward facingLaser 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 quicker acceleration Fuel economy and lower emissions