Description

NGK Iridium Spark Plugs LFR7AIX

These NGK Iridium core spark plugs are the used in many modern higher performance engines. The LFR7AIX spark plug has a heat range or 7, this plug is the 1 step colder spark plug for the Subaru WRX and STI using the EJ25 engine making it the ideal spark plug for any modified STI running higher that factory boost levels. This is also the exact same plug for the OEM heat range spark plugs used in the 2006 Mitsubish EVO.
If you have any questions about choosing the right spark plugs for your engine don’t hesitate to shoot us an email or give us a call. We are always here to support you and your build with the tech advice and parts needed to make your Motorsports dream a reality.