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NGK Iridium IX Spark Plug Box of 4 (CPR7EAIX-9)

Unleash the full potential of your vehicle with the NGK Iridium IX Spark Plug Box of 4. These high-performance spark plugs are designed to provide outstanding acceleration, high fuel efficiency, and durability. With their tapered cut ground electrode and Iridium fine wire center electrode, they offer extreme ignitability and exceptional anti-fouling.

  • Recommended for modified or high-performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Provides outstanding acceleration, high fuel efficiency, and durability
  • Tapered cut ground electrode for improved starting, idling, and throttle response
  • Iridium fine wire center electrode's durability is six times harder than platinum

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Honda C125A Super Cub 2020 Base
Honda CA125A Super Cub 2019 Base
Honda PCX125 2011 Base
Honda PCX150 2013 Base
Honda PCX150 2013 Base
Yamaha CP250 Morphous 2006 Base
Yamaha CP250 Morphous 2006 Base
Yamaha CP250 Morphous 2006 Base
Yamaha SCR950 2017 Base
Yamaha XVS950 Bolt 2014 Base
Yamaha XVS950 Bolt 2015 Base
Yamaha XVS950 Bolt 2016 Base
Yamaha XVS950 Bolt 2017 Base
Yamaha XVS950 Bolt 2018 Base
Yamaha XVS950 Bolt 2019 Base
Yamaha XVS950 Bolt C-Spec 2015 Base
Yamaha XVS950 Bolt C-Spec 2015 Base
Yamaha XVS950 Bolt R-Spec 2014 Base
Yamaha XVS950 Bolt R-Spec 2015 Base
Yamaha XVS950 Bolt R-Spec 2016 Base
Yamaha XVS950 Bolt R-Spec 2017 Base
Yamaha XVS950 Bolt R-Spec 2018 Base
Yamaha XVS950 Bolt R-Spec 2019 Base
Yamaha XVS950 V Star 950 2009 Base
Yamaha XVS950 V Star 950 2010 Base
Yamaha XVS950 V Star 950 2011 Base
Yamaha XVS950 V Star 950 2012 Base
Yamaha XVS950 V Star 950 2013 Base
Yamaha XVS950 V Star 950 2014 Base
Yamaha XVS950 V Star 950 2015 Base
Yamaha XVS950CT V Star 950 Tourer 2009 Base
Yamaha XVS950CT V Star 950 Tourer 2010 Base
Yamaha XVS950CT V Star 950 Tourer 2011 Base
Yamaha XVS950CT V Star 950 Tourer 2012 Base
Yamaha XVS950CT V Star 950 Tourer 2013 Base
Yamaha XVS950CT V Star 950 Tourer 2014 Base
Yamaha XVS950CT V Star 950 Tourer 2015 Base
Yamaha YFM700 Grizzly EPS 2018 Base
Yamaha YFM700 Grizzly EPS 2019 Base
Yamaha YFM700 Grizzly EPS 2020 Base
Yamaha YFM700 Grizzly EPS LE 2016 Base
Yamaha YFM700 Grizzly EPS LE 2017 Base
Yamaha YFM700 Grizzly EPS LE 2018 Base
Yamaha YFM700 Grizzly EPS SE 2018 Base
Yamaha YFM700 Grizzly EPS SE 2019 Base
Yamaha YFM700 Grizzly EPS SE 2020 Base
Yamaha YFM700 Grizzly FI 4x4 Auto 2007 Base
Yamaha YFM700 Grizzly FI 4x4 Auto 2008 Base
Yamaha YFM700 Grizzly FI 4x4 Auto 2014 Base
Yamaha YFM700 Grizzly FI 4x4 Auto 2015 Base
Yamaha YFM700 Grizzly FI 4x4 Auto 2016 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS 2007 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS 2008 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS 2014 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS 2015 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS SE 2014 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS SE 2015 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS SE 2016 Base
Yamaha YFM700 Grizzly FI 4x4 Auto EPS SE 2017 Base
Yamaha YFM700K Kodiak 2016 Base
Yamaha YFM700K Kodiak 2017 Base
Yamaha YFM700K Kodiak 2018 Base
Yamaha YFM700K Kodiak 2019 Base
Yamaha YFM700K Kodiak 2020 Base
Yamaha YFM700K Kodiak EPS 2016 Base
Yamaha YFM700K Kodiak EPS 2017 Base
Yamaha YFM700K Kodiak EPS 2018 Base
Yamaha YFM700K Kodiak EPS 2019 Base
Yamaha YFM700K Kodiak EPS 2020 Base
Yamaha YFM700K Kodiak EPS SE 2016 Base
Yamaha YFM700K Kodiak EPS SE 2017 Base
Yamaha YFM700K Kodiak EPS SE 2018 Base
Yamaha YFM700K Kodiak EPS SE 2019 Base
Yamaha YFM700K Kodiak EPS SE 2020 Base
Yamaha YXE70 Wolverine 2016 Base
Yamaha YXE70 Wolverine 2017 Base
Yamaha YXE70 Wolverine R-Spec 2016 Base
Yamaha YXE70 Wolverine R-Spec 2016 Base
Yamaha YXE70 Wolverine R-Spec EPS 2016 Base
Yamaha YXE70 Wolverine R-Spec EPS 2016 Base
Yamaha YXE70 Wolverine R-Spec EPS SE 2016 Base
Yamaha YXE70 Wolverine R-Spec EPS SE 2016 Base
Yamaha YXM700 Viking EPS Ranch Edition 2018 Base
Yamaha YXM700 Viking EPS Ranch Edition 2019 Base
Yamaha YXM700 Viking FI 4x4 2014 Base
Yamaha YXM700 Viking FI 4x4 2015 Base
Yamaha YXM700 Viking FI 4x4 EPS 2014 Base
Yamaha YXM700 Viking FI 4x4 EPS 2015 Base
Yamaha YXM700 Viking FI 4x4 EPS SE 2015 Base
Yamaha YXM700 Viking FI 4x4 EPS SE 2017 Base
Yamaha YXM700 Viking VI 2015 Base
Yamaha YXM700 Viking VI 2016 Base
Yamaha YXM700 Viking VI EPS 2015 Base
Yamaha YXM700 Viking VI EPS 2016 Base
Yamaha YXM700 Viking VI EPS 2017 Base
Yamaha YXM700 Viking VI EPS 2018 Base
Yamaha YXM700 Viking VI EPS 2019 Base
Yamaha YXM700 Viking VI EPS Ranch Edition 2016 Base
Yamaha YXM700 Viking VI EPS Ranch Edition 2018 Base
Yamaha YXM700 Viking VI EPS Ranch Edition 2019 Base
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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