NGK Iridium Spark One Step Colder Plugs - Set of Four

One Step Colder Spark Plugs for Higher Horsepower Applications

Tailored for the performance enthusiast, NGK Iridium IX Spark Plugs provide a precision-engineered ignition solution for Subaru EJ25 Turbo Models, including 2004+ STI and 2006-2014 WRX. With extreme ignitability, improved throttle response, and superior anti-fouling properties, these spark plugs offer a seamless and effective ignition upgrade, enhancing the overall performance of your engine.

QUICK SPECS:

• Extreme ignitability for peak performance
• Improved throttle response for a dynamic driving experience
• Superior anti-fouling properties ensure consistent ignition
• Fine Iridium tip ensures high durability and a stable spark
• Iridium alloy with an extremely high melting point for high-tech, high-performance EJ25 Subaru engines
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Outstanding acceleration, high fuel efficiency, and overall durability
• Ultimate design, technology, and performance

TECH SPECS:

• Sold as a set of 4
• Heat Range: 7
• Plug Gap: .031"

FITMENT:

• 2002-14 Subaru WRX
• 2004-21 Subaru STI
• 2004-13 Subaru Forester XT
• 2005-12 Subaru Legacy GT
• 2005-09 Subaru Outback XT