NGK Iridium IX Spark Plug Box of 4 (CR9EHIX-9)
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 |
|---|---|---|---|
| 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 |
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.