Description
NGK Iridium IX spark plug set, available in heat range 6,7 & 8. We use these on all our cars from standard to highly modified, these are the plugs to use.
Designed specifically for the performance enthusiast. Iridium IX© offers extreme ignitability, improved throttle response and superior anti fouling
- Fine Iridium tip ensures high durability and a consistently stable spark
- Iridium alloy has extremely high melting point, perfect for today?s high-tech, high-performance engines
- Trivalent Metal Plating – superior anti-corrosion and anti-seizing properties
- Outstanding acceleration, high fuel efficiency and durability
- Ultimate design, technology and performance.
Heat range 6 0.7 – 0.9 bar boost
Heat range 7 1 – 1.3 bar boost
Heat range 8 1.3 – 1.6 bar boost