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 |
|---|---|---|---|
| 2004,2006 | Honda | CB600F 599 | Base |
| 1997-2000 | Honda | CBR1100XX Super Blackbird | Base |
| 1991-1994 | Honda | CBR600F F2 | Base |
| 1995-1998 | Honda | CBR600F F3 | Base |
| 1999-2000 | Honda | CBR600F F4 | Base |
| 2014-2016,2018 | Honda | CBR650F | Base |
| 2015-2016 | Honda | CBR650F ABS | Base |
| 2020 | Honda | CRF150R | Base |
| 2020 | Honda | CRF150R Expert | Base |
| 2010 | Honda | NHX110 Elite | Base |
| 1988-1990 | Honda | NX250 | Base |
| 1994 | Honda | RVF750R RC45 | Base |