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NGK Iridium Spark Plug Set One Step Colder 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2008 FXT

SKU 2309
by NGK
Save $29.43 Save $29.43
Original price $73.23
Original price $73.23 - Original price $73.23
Original price $73.23
Current price $43.80
$43.80 - $43.80
Current price $43.80

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. Trivalent Metal Plating - 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

Plugs are sold in sets of 4 only

Customer Reviews

Based on 1 review
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orville williams

you provided the wrong plug set for the 2007 subaru STI its a completely differemt size

Orville,

Thank you for your review and I apologize for there being a mistake in your order please contact a Subimods Customer Support Rep. via email to support@subimods.com or call us at 860-291-0015 so that we can rectify the issue.

Regards,