HKS Super Fire Racing M45I Spark Plug (NGK9) WRX Multiple size options for versatile

Multiple size options for versatile applications

24" (flycut)

Factory O2 sensor locations are also retained to ensure compatibility with factory systems

Toyota Supra A90

PCV-compliant rubber hoses

HKS Super Fire Racing M45I Spark Plug (NGK9) WRX Multiple size options for versatileHKS Super Fire Racing M Series spark plugs are built for high output and tuned engines that need stable ignition under heat and high rpm. An iridium alloy centre electrode paired with a platinum tipped ground electrode produces a fine, durable spark with strong wear resistance, so ignition stays consistent under boost and sustained load. Features Iridium alloy centre electrode and platinum ground electrode for a strong, stable spark High resistance to