NGK IRIDIUM IX SPARK PLUGS for 2004-2011 SUBARU WRX/STI
$49.94
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Iridium has a very high melting point that's perfect for high-performance, high-tech engines. It is stronger than any other metal used in spark plugs. Ultra-fine electrode (thin enough for spark consistency & accuracy, thick enough for max durability & longevity)Reduces spark voltage requirementFuel efficiency & extreme ignitabilityImproved throttle responseOutstanding accelerationSuperior antifouling, anticorrosion, and antiseizing propertiesApplications: 2002-2011 WRX STI
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