NGK Spark Plugs | Why spark plugs need to be replaced
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.