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NGK Iridium Stock Heat Range Spark Plugs - 06-14 WRX / 04-18 STI

 In 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 he. . . Show More >




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