Description
  • The ultimate evolution in spark plug technology and performance from the industry leader
  • Iridium electrode is 25% smaller than platinum and only 1/4 the size of a conventional nickel electrode
  • Ultra-small diameter center electrode reduces required voltage and extends ignition system life
  • New metal shell plating with improved anti-corrosion properties
  • Made from Iridium
  • Ultra-fine center electrode engineered to reduce voltage required and ensure maximum durability
  • Sold individually
  • Fits 2017-later Milwaukee Eight engines
  • Replaces OEM: 31600085, 31600012, 6R10
  • NGK 3521