NGK Iridium Spark Plugs One Step Colder 2667 - 2002-2005 Subaru WRX

NGK Iridium Spark Plugs One Step Colder 2667 Subaru WRX 2002-2005 These are the NGK 2667 One-Step Colder Spark Plugs for the 02-05 Subaru WRX (will fit other models). 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.   DETAILS: 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 a set of (4) spark plu