NGK IMR9C-9HES Laser Iridium Spark Plug
Laser welded Iridium center electrode tip for high durability and greater spark
Platinum disc welded to ground electrode for long life
Longer insulator nose to prevent flashover, with triple gasket seal to eliminate gas leakage
Faster starts, quicker acceleration, better fuel economy, and lower emissions
Trivalent metal plating for superior anti-corrosion and anti-seizing
Superior ignitability and long service life, with smallest tip diameter available iridium/platinum surfaces for stable idle, improved fuel efficiency, and lower emissions