NGK Iridium IX Spark Plug 7164 4-PAK TR55IX

by Ngk Spark Plugs

NGK Iridium IX Spark Plug #7164 4-PACK #41-TR55IX

  • Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling.
  • Fine-tipped iridium-center electrode ensures high durability and consistently stable spark
  • Iridium alloy with an extremely high melting point
  • Tapered ground electrode maximizes fuel burn
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance