NGK Iridium Spark Plug Box of 4 (LFR6AIX-11)

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.This Part Fits: Year Make Model Submodel 2013-2014 Acura ILX Hybrid 2008-2009 BMW 128i Base 2006 BMW 325i Base 2006 BMW 325xi Base 2007-2009 BMW 328i Base 2009 BMW 328i xDrive Base 2007-2008 BMW 328xi Base 2006 BMW 330i Base 2006 BMW 330xi Base 2006-2007 BMW 525i Base 2006-2007 BMW 525xi Base 2008-2010 BMW 528i Base 2009-2010 BMW 528i xDrive Base 2008 BMW 528xi Base 2006-2007 BMW 530i Base 2