# NGK IX Iridium Spark Plug Box of 4 (BPR9EIX) 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. - RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs - Trivalent metal plating for superior anti-corrosion and anti-seizing properties - Outstanding acceleration, high fuel efficiency and durability - Fine iridium tip ensures durable and consistent spark This Part Fits: Year Make Model Submodel 2018 Arctic Cat M 6000 141 Base 2015,2018 Arctic Cat M 6000 153 Base 2015 Arctic Cat M 6000 ES 153 Base 2016 Arctic Cat M 6000 Limited 153 Base 2016 Arctic Cat M 6000 SE 141 Base 2016 Arctic Cat M 6000 SE 153 Base 2017,2019 Arctic Cat M 6000 SE ES 141 Base 2017,2019 Arctic Cat M 6000 SE ES 153 Base 2016 Arctic Cat M 6000 Sno Pro 141 Base 2014-2017 Arctic Cat M 6000 Sno Pro 153 Base 2017 Arctic Cat M 6000 Sno Pro ES 153 Base 2018 Arctic Cat M 8000 153 Base 2019 Arctic Cat M 8000 Hardcore 153 Base 2019 Arctic Cat M 8000 Hardcore 162 Base 2018-2019 Arctic Cat M 8000 Mountain Cat 153 Base 2018-2019 Arctic Cat M 8000 Mountain Cat 162 Base 2019 Arctic Cat M 8000 Mountain Cat Alpha One 154 Base 2019 Arctic Cat M 8000 Mountain Cat Alpha One 165 Base 2018-2019 Arctic Cat M 8000 Sno Pro 153 Base 2018 Arctic Cat M 8000 Sno Pro 153 Early Build Base 2018-2019 Arctic Cat M 8000 Sno Pro 162 Base 2018 Arctic Cat M 8000 Sno Pro 162 Early Build Base 2018-2019 Arctic Cat Norseman 6000 ES Base 2019 Arctic Cat Norseman X 6000 Base 2019 Arctic Cat Norseman X 8000 Base 2018-2019 Arctic Cat Pantera 6000 ES Base 2015 Arctic Cat XF 6000 Cross Country Base 2017-2019 Arctic Cat XF 6000 Cross Country Limited ES Base 2015 Arctic Cat XF 6000 Crosstour Base 2018 Arctic Cat XF 6000 Crosstour ES Base 2016 Arctic Cat XF 6000 Crosstrek Base 2017-2018 Arctic Cat XF 6000 Crosstrek ES Base 2015-2017 Arctic Cat XF 6000 High Country Base 2018-2019 Arctic Cat XF 6000 High Country ES Base 2017 Arctic Cat XF 6000 High Country Limited ES Base 2015 Arctic Cat XF 6000 Limited Base 2015 Arctic Cat XF 6000 LXR Base 2015 Arctic Cat XF 6000 Sno Pro Base 2018-2019 Arctic Cat XF 8000 Cross Country Limited ES Base 2018 Arctic Cat XF 8000 Crosstrek ES Base 2018-2019 Arctic Cat XF 8000 High Country Base 2018-2019 Arctic Cat XF 8000 High Country Limited ES 141 Base 2018-2019 Arctic Cat XF 8000 High Country Limited ES 153 Base 2014-2016 Arctic Cat ZR 6000 El Tigre Base 2014 Arctic Cat ZR 6000 El Tigre ES Base 2017-2018 Arctic Cat ZR 6000 El Tigre ES 129 Base 2017-2018 Arctic Cat ZR 6000 El Tigre ES 137 Base 2018-2019 Arctic Cat ZR 6000 ES 129 Base 2018-2019 Arctic Cat ZR 6000 ES 137 Base 2015 Arctic Cat ZR 6000 Limited Base 2016 Arctic Cat ZR 6000 Limited 129 Base 2016 Arctic Cat ZR 6000 Limited 137 Base 2017-2019 Arctic Cat ZR 6000 Limited ES 129 Base 2019 Arctic Cat ZR 6000 Limited ES 129 iACT Base 2017-2019 Arctic Cat ZR 6000 Limited ES 137 Base 2019 Arctic Cat ZR 6000 Limited ES 137 iACT Base 2015 Arctic Cat ZR 6000 LXR Base 2016 Arctic Cat ZR 6000 LXR 129 Base 2016 Arctic Cat ZR 6000 LXR 137 Base 2017 Arctic Cat ZR 6000 LXR ES 129 Base 2017 Arctic Cat ZR 6000 LXR ES 137 Base 2018 Arctic Cat ZR 6000 R XC 129 Base 2014-2016 Arctic Cat ZR 6000 RR Base 2017 Arctic Cat ZR 6000 RR ES 129 Base 2017-2019 Arctic Cat ZR 6000 RR ES 137 Base 2017 Arctic Cat ZR 6000 RS Base 2015 Arctic Cat ZR 6000 Sno Pro Base 2016 Arctic Cat ZR 6000 Sno Pro 129 Base 2016 Arctic Cat ZR 6000 Sno Pro 137 Base 2017-2019 Arctic Cat ZR 6000 Sno Pro ES 129 Base 2017-2019 Arctic Cat ZR 6000 Sno Pro ES 137 Base 2015 Arctic Cat ZR 6000 Tucker Hibbert RR Base 2018 Arctic Cat ZR 8000 El Tigre ES 129 Base 2018 Arctic Cat ZR 8000 El Tigre ES 137 Base 2018-2019 Arctic Cat ZR 8000 ES 129 Base 2018-2019 Arctic Cat ZR 8000 ES 137 Base 2018-2019 Arctic Cat ZR 8000 Limited ES 129 Base 2019 Arctic Cat ZR 8000 Limited ES 129 iACT Base 2018-2019 Arctic Cat ZR 8000 Limited ES 137 Base 2019 Arctic Cat ZR 8000 Limited ES 137 iACT Base 2018-2019 Arctic Cat ZR 8000 RR ES 129 Base 2018-2019 Arctic Cat ZR 8000 RR ES 137 Base 2018-2019 Arctic Cat ZR 8000 Sno Pro ES 129 Base 2018 Arctic Cat ZR 8000 Sno Pro ES 129 Early Build Base 2018-2019 Arctic Cat ZR 8000 Sno Pro ES 137 Base 2018 Arctic Cat ZR 8000 Sno Pro ES 137 Early Build Base 2005-2007 Polaris 440 IQ Base 2001-2003 Polaris 440 Pro X Base 2002-2003 Polaris 440 Pro X Fan Base 2004 Polaris 440 Pro XR Base 2000 Polaris 440 XC SP Base 2003 Polaris 500 Classic Base 2003 Polaris 500 Classic Touring Base 2002 Polaris 500 RMK Base 2001-2003 Polaris 500 XC Base 2000-2007 Polaris 500 XC SP Base 2001-2006 Polaris 600 Classic Base 2001-2004 Polaris 600 Classic Touring Base 2008 Polaris 600 Dragon IQ Base 2009 Polaris 600 Dragon SP Base 2008-2010 Polaris 600 Dragon SwitchBack Base 2007 Polaris 600 HO CFI SwitchBack Base 2006 Polaris 600 HO Fusion Base 2007 Polaris 600 HO IQ Base 2007 Polaris 600 HO IQ CFI Base 2007 Polaris 600 HO IQ LX CFI Base 2008 Polaris 600 HO IQ Touring Base 2013-2019 Polaris 600 INDY Base 2013-2018 Polaris 600 INDY SP Base 2019 Polaris 600 INDY SP 129 Base 2014 Polaris 600 INDY SP LE Base 2016 Polaris 600 INDY SP TD Series LE Base 2014 Polaris 600 INDY Voyager Base 2015-2016 Polaris 600 INDY Voyageur Base 2019 Polaris 600 INDY XC 129 Base 2011-2015 Polaris 600 IQ LXT Base 2012 Polaris 600 IQ Racer Base 2009-2012 Polaris 600 IQ Shift Base 2009 Polaris 600 IQ Shift 136 Base 2009-2010 Polaris 600 IQ Touring Base 2010-2017 Polaris 600 IQ WideTrak Base 2001-2004 Polaris 600 PRO X Base 2004 Polaris 600 PRO X2 Base 2012-2019 Polaris 600 PRO-RMK 155 Base 2000-2006 Polaris 600 RMK Base 2007-2019 Polaris 600 RMK 144 Base 2007-2016 Polaris 600 RMK 155 Base 2008 Polaris 600 RR Base 2010-2013 Polaris 600 Rush Base 2011 Polaris 600 Rush LX Base 2011-2014 Polaris 600 Rush PRO-R Base 2015-2019 Polaris 600 Rush PRO-S Base 2017-2019 Polaris 600 Rush XCR Base 2011 Polaris 600 Shift 136 Base 2004-2014 Polaris 600 SwitchBack Base 2012-2019 Polaris 600 SwitchBack Adventure Base 2014-2019 Polaris 600 SwitchBack Assault 144 Base 2012-2014 Polaris 600 SwitchBack PRO-R Base 2015-2019 Polaris 600 SwitchBack PRO-S Base 2017-2019 Polaris 600 SwitchBack SP 144 Base 2018-2019 Polaris 600 SwitchBack XCR Base 2000,2004-2006 Polaris 600 Touring Base 2017-2019 Polaris 600 Voyageur 144 Base 2003 Polaris 600 XC Base 2000 Polaris 600 XC Deluxe Base 2000-2005 Polaris 600 XC SP Base 2001-2004,2006 Polaris 700 Classic Base 2003-2004 Polaris 700 Classic Touring Base 2007 Polaris 700 Dragon Base 2008 Polaris 700 Dragon IQ Base 2007 Polaris 700 Dragon RMK 155 Base 2008 Polaris 700 Dragon SwitchBack Base 2004 Polaris 700 Edge Touring Base 2006 Polaris 700 Fusion Base 2006 Polaris 700 HO Touring Base 2003-2004 Polaris 700 PRO X Base 2004 Polaris 700 PRO X2 Base 2000-2005 Polaris 700 RMK Base 2006 Polaris 700 RMK 144 Base 2006 Polaris 700 RMK 151 Base 2008-2010 Polaris 700 RMK 155 Base 2006 Polaris 700 RMK 159 Base 2000-2003 Polaris 700 SKS Base 2004,2008 Polaris 700 SwitchBack Base 2003 Polaris 700 XC Base 2000 Polaris 700 XC Deluxe Base 2000-2005 Polaris 700 XC SP Base 2009-2010 Polaris 800 Assault RMK 146 Base 2004 Polaris 800 Classic Base 2004 Polaris 800 Classic Touring Base 2009-2010 Polaris 800 Dragon Base 2010 Polaris 800 Dragon IQ Base 2008-2010 Polaris 800 Dragon RMK 155 Base 2008-2010 Polaris 800 Dragon RMK 163 Base 2009 Polaris 800 Dragon SP Base 2009-2010 Polaris 800 Dragon Swtichback Base 2014-2016 Polaris 800 INDY SP Base 2014 Polaris 800 INDY SP LE Base 2008-2010 Polaris 800 IQ Base 2001 Polaris 800 LE Base 2003-2004 Polaris 800 PRO X Base 2004 Polaris 800 PRO X2 Base 2004 Polaris 800 PRO XR Base 2011-2019 Polaris 800 PRO-RMK 155 Base 2016-2019 Polaris 800 PRO-RMK 155 3in. Base 2017 Polaris 800 PRO-RMK 155 LE Base 2015 Polaris 800 PRO-RMK 155 Terrain Dominator Base 2011-2019 Polaris 800 PRO-RMK 163 Base 2016-2019 Polaris 800 PRO-RMK 163 3in. Base 2017 Polaris 800 PRO-RMK 163 LE Base 2015 Polaris 800 PRO-RMK 163 Terrain Dominator Base 2018-2019 Polaris 800 PRO-RMK 174 Base 2017 Polaris 800 PRO-RMK 174 LE Base 2014 Polaris 800 PRO-RMK LE Base 2000-2005 Polaris 800 RMK Base 2009-2010 Polaris 800 RMK 144 Base 2009-2016 Polaris 800 RMK 155 Base 2011-2019 Polaris 800 RMK Assault 155 Base 2016-2017 Polaris 800 RMK Assault 155 3in. Base 2014 Polaris 800 RMK Assault 155 LE Base ## Details - **Price:** 74.61 CAD - **Vendor:** NGK - **Type:** Spark Plugs ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 74.61 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - out of package - Photo - out of package --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-ix-iridium-spark-plug-box-of-4-bpr9eix) > Updated: 2026-06-27