NGK Iridium IX Spark Plug Box of 4 (KR7DIX-11S)

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 2013-2015 Acura ILX Base 2013-2018 Acura RDX Base 2009-2012 Acura RL Base 2014-2019 Acura RLX Base 2014,2016-2019 Acura RLX Sport Hybrid SH-AWD 2009-2014 Acura TL Base 2009-2014 Acura TL SH-AWD 2015-2019 Acura TLX Base 2015-2019 Acura TLX SH-AWD 2009-2014 Acura TSX Base 2012-2014 Acura TSX Special Edition 2010-2014 Acura TSX V6 2010-2013 Acura ZDX Base 20