Key Features :
The Spark Plug Serious Enthusiasts Rely OnDesigned specifically for the performance enthusiast. Iridium IX® offers extreme ignitability, improved throttle response and superior anti foulingFine Iridium tip ensures high durability and a consistently stable sparkIridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance enginesTrivalent Metal Plating - superior anti-corrosion and anti-seizing propertiesOutstanding acceleration, high fuel efficiency and durabilityUltimate design, technology and performance.