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.
Sold as a set of (4) spark plugs
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