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:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2019 | Honda | CB500F | Base |
| 2013-2016,2019 | Honda | CB500F ABS | Base |
| 2013-2020 | Honda | CB500X | Base |
| 2013-2016,2019-2020 | Honda | CB500X ABS | Base |
| 2013-2020 | Honda | CBR500R | Base |
| 2013-2016,2019-2020 | Honda | CBR500R ABS | Base |
| 2017-2020 | Honda | CMX500 Rebel 500 | Base |
| 2019-2020 | Honda | CMX500 Rebel 500 ABS | Base |
| 2006-2009,2012-2017 | Honda | CRF150F | Base |
| 2017-2020 | Honda | NCW50 Metropolitan | Base |
| 2010 | Honda | NT700V | Base |
| 2011 | Honda | NT700VA ABS | Base |
| 2015-2016,2018-2019 | Yamaha | FJR1300A | Base |
| 2013-2014 | Yamaha | FJR1300A ABS | Base |
| 2014-2016,2018 | Yamaha | FJR1300ES | Base |
| 2019 | Yamaha | WR450F | Base |
| 2015-2019 | Yamaha | XC155 SMAX | Base |
| 2018-2019 | Yamaha | YZ450F | Base |
| 2019-2020 | Yamaha | YZ450FX | Base |