Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. BKR5EIXFine 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. BKR5EIX“Trivalent Metal Plating” has superior anti-corrosion and anti-seizing properties.Outstanding acceleration, high fuel efficiency and durability.Ultimate design, technology and performance.
Factory heat range BKR5EIX Or one step cooler BKR6EIX