Iridium IX Spark Plugs LFR7AIX, Stock 2309

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NGK: the World Leader
As the leading OE supplier of ignition parts for the major automobile manufacturers across the world, no wonder NGK is considered as the World Leader of Spark Plugs!
Harnessing the natural properties of the metal Iridium, NGK has created one of the finest spark plugs available. Iridium IX Spark Plugs require less voltage to spark, burns fuel more efficiently, sparks at leaner air/fuel mixtures, and delivers higher horsepower and better gas mileage. Spark plugs are priced and sold individually.

Iridium IX Application Guide:

Part #:Stock #:Recommended Gap:
LFR7AIX 2309 0.024


Note: Prior to installation, we recommend that you physically check the gap of each spark plug for consistency.

Please note that the NGK LFR7AIX spark plug is a one-step colder plug than the OE replacement NGK plug we offer. NGK LFR7AIX is recommended for high performance, tuned engines running 19psi and greater boost pressures.

LFR7AIX is recommended for the following vehicles:

  • 2004 - 2007 S60R, V70R. B5254T4
  • 2005 - 2009 S60 T5, B5244T5
  • 2004.5 - 2012 S40/V50 T5 AWD and FWD, B5254T3
  • 2006 - 2013 C70, B5254T3
  • 2007 - 2013 C30, B5254T3