Spark Plug - 10mm - Iridium IX - R0409B-8 - OEM - CRF250R - 2005-2009 - NGK

NGK is the choice of more OEMs more of the time than any other manufacturer and with good reason - they feature superior construction for better spark and more power. They are offered in a wide variety or sizes and operating heat ranges to prevent fouling and preignition. NGK is an easy recommendation for any tune up. Their Iridium IX line is the ultimate in the evolution of spark plug technology and performance from this industry leader. The improved throttle response and high-ignitability makes Iridium IX ideal for the performance enthusiast. The fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle / superior anti-fouling / improved fuel efficiency / lower emissions. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines - delivering outstanding acceleration and durability.