NGK Iridium Spark Plug

Details Laser Iridium® spark plugs provide superior ignitability and long service life. Smallest tip diameter available Iridium surfaces ensure slow wear rate providing stable idle, superior anti-fouling, improved fuel efficiency and lower emissions. Laser welded Iridium center electrode tip. Platinum disc welded to backside of ground electrode provides long life. Trivalent Metal Plating for superior anti-corrosion and anti-seizing. Faster starts and quicker acceleration. Better fuel economy and lower emissions.