NGK [Nippon Spark Plug] Iridium Max Spark Plug BPR5EFIX-13P [Set of 4] Punch Crimp Type [Stock No.] 3258

Inheriting the potential of IX, these plugs offer even more sustained high performance! Ultimate long life, challenging the goal of maintenance-free operation! [NO. 1] Extends plug life: The same performance as Iridium IX, but with ultimate long life! Contributes to reduced maintenance! Even those who aren't good with mechanics can easily experience the performance of iridium. [NO. 2] Improved fuel economy: Exceptional fuel efficiency. Kind to both your wallet and the environment. Iridium plugs offer better ignition than standard plugs, achieving outstanding fuel efficiency! [NO. 3] Achieves long life while maintaining the performance of IX plugs! : Precious metals are used for both electrodes, with an iridium alloy center electrode and a platinum tip outer electrode. In addition to improving the ignition and fuel economy of IRIDIUM IX plugs, we've also improved their durability. <Heat value> 5