These are the NGK 2667 One-Step Colder Spark Plugs. Getting one-step colder spark plugs is a must once you start performing bolt-on modifications where the power is increased which will surpass the limits of your factory spark plugs. The Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response, and superior anti-fouling.
NGK Iridium Spark Plug One Step Colder 2667
SPECS:
Model - 2667
Heat range - 7
Plug gap - .030
Iridium IX type
The Iridium tip ensures high durability and a consistently stable spark
The Iridium alloy has an 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
Sold as individually (1)
FITMENT NOTE:
The NGK BKR7EIX will fit the 2002-2005 Subaru WRX 2.0L - 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