spark plug Iridium IX KR8BI

The NGK Iridium IX spark plugs offer improved throttle response, superior anti-fouling and high-ignitability, which makes Iridium IX® ideal for the performance enthusiast, even better than platinum. Iridium's extremely high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and double to triple the lifespan of a copper core plug.