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  NGK IRIDIUM STI SPARK PLUGS LFR7AIX-11
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Part #:
NGK-2309
Retail Price:
$51.94
Our Price:
$39.95
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23%

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  PRODUCT OVERVIEW
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.

TECH TIP: These plugs are good for STi's with mild bolt on mods like full exhaust, intake, boost controller, etc. One heat range colder than stock.

Price includes a set of (4) spark plugs

Fits: Subaru STi 2004-2007

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