Iridium Spark Plug Set, One-Step-Colder Heat Range 7 for Subaru WRX, STI, Legacy GT and Forester XT
Iridium Spark Plug Set, One-Step-Colder Heat Range 7 for Subaru WRX, STI, Legacy GT and Forester XT
Iridium spark plugs provide a consistent ignition service option for specified turbocharged Subaru applications. This four-plug set uses a fine iridium tip, a one-step-colder heat range 7, and a stated 0.032-inch plug gap for the listed vehicle fitments.
The NGK Iridium IX design is described with trivalent metal plating for anti-corrosion and anti-seizing properties. Verify the exact year and model application before installation, since fitment varies by vehicle.
This set contains four spark plugs.
Features
- Fine iridium tip
- One-step-colder heat range 7
- 0.032-inch plug gap
- Trivalent metal plating
- Four spark plugs per set
- Listed for specified Subaru WRX, WRX STI, Legacy GT and Forester XT applications
Specifications
- Product type: Spark Plugs
- Set quantity: 4 spark plugs
- Tip material: Fine iridium tip
- Heat range: 7, one step colder
- Plug gap: 0.032 inch
- Plating: Trivalent metal plating
- Source fitment: 2006–2014 WRX; 2004–2021 WRX STI; 2005–2009 Legacy GT; 2004–2013 Forester XT
Frequently Asked Questions
How many spark plugs are included?
The set includes four spark plugs.
Which Subaru applications are listed?
The listed applications are 2006–2014 WRX, 2004–2021 WRX STI, 2005–2009 Legacy GT, and 2004–2013 Forester XT.
What does one step colder mean for this set?
It identifies the stated heat-range configuration as heat range 7, one step colder than the referenced standard configuration.