NGK Iridium Spark Plugs LFR7AIX Suit Subaru WRX/STi 2.5/Mitsubishi Lancer EVO 9

Fitment: 2004-2007 Subaru WRX STi, 2006-2007 Subaru WRX and 2005-2008 Subaru Legacy 2.5GT (NOT 2.0litres) And Mitsubishi Lancer EVO 9

SUBARU OWNERS: NOTE IF YOU HAVE A 2.5 LITRE BLOCK AND USING 2.0 LITRE HEADS USE NGK BKR7IEX

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 reccomended 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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