NGK Iridium Spark Plugs BKR7EIX suit Subaru WRX/STI 2.0litre
Fitment: 2002-2005 Subaru Impreza WRX
Heat Range: 1 Step Colder than Stock
Why NGK Iridium?
More Durability and a Higher Melting Point compared to Platinum, better center electrode anti-oxidation and anti-erosion, improved ignition, superior anti-fouling, lower required voltage, new metal shell plating process for better anti-corrosion. One Step Colder plugs are recommended for cars with heavy modifications. These NGK plugs will get your Turbo Subaru running smoother and free up some power through increased efficiency and increased heat resistance. These are available in stock heat or one step colder for cars running approximately 100 horsepower more than stock.
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WRX/STI Plug recommendations
NGK/Copper/BKR6ES/WRX/stock
NGK/Copper/BKR7ES/WRX/one step colder
NGK/Copper/BKR6E/WRX/stock
NGK/Copper/BKR7E/WRX/one step colder
NGK/Platinum/BKR6EGP/WRX/stock
NGK/Platinum/BKR7EGP/WRX/one step colder
NGK/Platinum/PFR6G/WRX/stock (OEM plug)
NGK/Platinum/PFR7G/WRX/one step colder
NGK/Iridium/BKR6EIX/WRX/stock
NGK/Iridium/BKR7EIX/WRX/one step colder