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NGK Iridium Spark Plugs One Step Colder LFR7AIX (04-14 STI / 06-14 WRX & More)

MSRP: $18.31
$11.17
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SKU:
ngk2309
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Price is for 1 spark plug.

NGK Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. 

The fine Iridium tip ensures high durability and a consistently stable spark. Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines. Superior anti-corrosion and anti-seizing properties. Outstanding acceleration, high fuel efficiency and durability. Ultimate design, technology and performance. 

These are one step colder plugs and are recommended for higher horsepower applications. A higher heat range number does not improve engine performance, it increases the plugs ability to dissipate heat. 

Stock Number 2309 
Heat Range: 7 
Plug Gap: .032 

Confirmed Applications:
2004-2014 STI
2006-2014 WRX
2004-2008 Forester XT

2005-2009 Legacy GT

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