NGK Iridium Spark Plug 6 Series LFR6AIX-11, NGK6619

NGK Iridium Spark Plug 6 Series LFR6AIX-11, NGK6619


NGK's IX Iridium Series Plugs were Designed Specifically for the Performance Enthusiast.

  • Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
  • Iridium Alloy has an Extremely High Melting Point, Perfect for Today's High-Tech, High Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal Triple Seals Prevent Leakage

Sold individually.

  • Heat range: 6
  • Gap: 0.044" (0.8mm), but we recommend setting the gap to 0.028-0.031" 
  • 2006-2014 2.5L WRX
  • 2004-2018 2.5L STi
  • 2004-2013 2.5L Forester XT
  • 2004-2013 2.5L Legacy GT / Outback XT
  • 2003-2006 2.5L Baja XT
  • JDM ej20x and ej20y

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