NGK, spark plug Iridium IX CR9EIX

Repl. for OEM 6R10 / RG6HCC. 10mm threaded. 19mm (3/4") reach. 4 used on M8, 2 used on XG. Used with a 16mm spark plug socket.
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.
- Fine iridium tip ensures high durability and a consistently stable spark.
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties.
- Outstanding acceleration, high fuel efficiency and durability.