NGK IRIDIUM IX SPARK PLUGS for 2004-2011 SUBARU WRX/STI
Description
Iridium has a very high melting point that's perfect for high-performance, high-tech engines. It is stronger than any other metal used in spark plugs.
Reduces spark voltage requirement
Fuel efficiency & extreme ignitability
Improved throttle response
Outstanding acceleration
Superior antifouling, anticorrosion, and antiseizing properties
Applications:
- 2002-2011 WRX STI