Description
Description
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
Includes 4 spark plugs.
Specs
- Heat range: 7
- 1 step colder than factory for the listed applications
- Gap: 0.032″ (0.8mm), for high boost up to 22 PSI we recommend a gap size of 0.028-0.03″. For boost levels between 23-28 then set the gap to 0.026″.
Applications
- 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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