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 |
|---|---|---|---|
| 1989-1990 | Honda | CB400F CB-1 | Base |
| 2002-2007 | Honda | CB900F 919 | Base |
| 1993-1999 | Honda | CBR900RR | Base |
| 2002-2009 | Honda | CHF50 Metropolitan | Base |
| 2002-2005 | Honda | CHF50P Metropolitan II | Base |
| 2007-2009,2012-2019 | Honda | CRF150R | Base |
| 2007-2009,2012-2017,2019 | Honda | CRF150R Expert | Base |
| 2002-2010 | Honda | FSC600 Silver Wing | Base |
| 2003-2013 | Honda | FSC600A Silver Wing ABS | Base |
| 2003-2009,2011-2020 | Honda | NPS50 Ruckus | Base |
| 2004-2009 | Honda | NPS50S Ruckus | Base |
| 2015 | Honda | PCX150 | Base |
| 2010 | Honda | SH150i | Base |
| 1991-2003 | Honda | ST1100 | Base |
| 1992-2003 | Honda | ST1100 ABS | Base |
| 1994-2003 | Honda | VF750C Magna | Base |
| 1995-1996 | Honda | VF750CD Magna Deluxe | Base |
| 1990-1997 | Honda | VFR750F Interceptor | Base |
| 1990 | Honda | VFR750R RC30 | Base |
| 1998-2001 | Honda | VFR800 Interceptor | Base |
| 1989-1990 | Honda | VTR250 Interceptor | Base |
| 1996-2004 | Honda | XR250R | Base |