Denso Iridium Spark Plug Set One Step Colder 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT / 2004-2008 FXT
Here you are looking at the Denso Iridium Spark Plug set. This spark plug features patented Iridium alloys that are combined with the latest in spark plug technology to provide your vehicle with optimal performance and long life.
- IKH 22 model
- One step colder
- New revolutionary 360 laser welding process
- Patented Iridium allows are six times harder and eight times stronger than conventional platinum and can handle temperatures in excess of 4000°F
- Sold as a set of 4 spark plugs