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Denso Iridium Spark Plug

$25.41 inc GST ($18.58 )
  • 0.4mm Iridium tipped laser welded Fine Wire center electrode reduces required voltage and improves firing performance.
  • Tapered cut U-Groove ground electrode increases ignitability and decreases Quenching
  • Machine Rolled Threads prevent seizing or cross threading during installation and removal
  • 100% pre-fired to assure the highest quality possible
  • Purified alumina powder Insulator provides exceptional strength and thermal conductivity
  • Five rib insulator prevents Flashover
  • Copper-glass seal bonds Center Electrode and insulator for a gas-tight seal