NGK Laser Iridium Spark Plug IMR8C-9H (3653)

Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling

• The ultimate in the evolution of spark plug technology and performance from the industry leader
• The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4" the size of a conventional nickel electrode
• Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
• Fine iridium tip ensures high durability and a consistently stable spark
• Iridium alloy has extremely high melting point, perfect for today's high-tec, high-performance engines
• Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
• Outstanding acceleration, high fuel efficiency and durability