NGK IX Iridium Spark Plug Box of 4 (CR9EIX)

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 2010 Aprilia RSV4 Factory Base 2011 Aprilia RSV4 Factory SE Base 2010-2011 Aprilia RSV4 R Base 2006-2009 Aprilia Scarabeo 100 Base 2016-2019 Arctic Cat Bearcat 7000 XT Base 2017-2018 Arctic Cat Bearcat 7000 XT GS Base 2016 Arctic Cat M 7000 Limited 153 Base 2016 Arctic Cat M 7000 Limited 162 Base 2015-2016 Arctic Cat M 7000 Sno Pro 153 Base 2016 Arctic Cat M 7000