NGK 6664 BR7EIX Iridium IX Spark Plug
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NGK 6664 BR7EIX Iridium IX Spark Plug. A spark plug for ignition-system maintenance. Listed applications include Benelli Velvet 125, Harley-Davidson SX125, Honda FL250 Odyssey. See the table below for exact years and model variants.
Features & Specifications
- Fine-wire iridium center electrode for strong, efficient ignition.
- Removable terminal nut for flexible installation options.
- Enhanced throttle response and cold-start reliability.
- Resists fouling, corrosion, and wear.
Product Details
- Brand: NGK
- Manufacturer Part Number: 6664
Vehicle Fitment
| Year | Make | Model |
|---|---|---|
| 2008-2009 | Benelli | Velvet 125 |
| 1974-1975 | Harley-Davidson | SX125 |
| 1977-1980 | Honda | FL250 Odyssey |
| 1989-1990 | Honda | FL400R Pilot |
| 1973-1978 | Honda | XL175 |
| 2011-2014 | Husaberg | TE250 |
| 2011-2014 | Husaberg | TE300 |
| 2014-2016 | Husqvarna | TE250 |
| 2014-2016 | Husqvarna | TE300 |
| 2006-2016, 2018-2019 | KTM | 250 XC |
| 2006-2018 | KTM | 250 XC-W |
| 2006-2019 | KTM | 300 XC |
| 2006-2018 | KTM | 300 XC-W |
| 2016 | KTM | 300 XC-W Six Days |
| 2015-2016 | KTM | Freeride 250 R |
| 1989-1996 | Kawasaki | JF650 TS |
| 1986, 1988-1995 | Kawasaki | JF650 X2 |
| 1991-1995 | Kawasaki | JL650 SC |
| 1986-1988 | Kawasaki | JS300 |
| 1987-1991 | Kawasaki | JS300 300SX |
| 1976 | Kawasaki | JS400 |
| 1977-1992 | Kawasaki | JS440 |
| 1987-1993 | Kawasaki | JS650 650SX |
| 1980-1982 | Kawasaki | KE175 |
| 1978-1983 | Kawasaki | KL250 |
| 1981-1984 | Kawasaki | KLT200 |
| 1979-1980 | Kawasaki | KLX250 |
| 1978 | Kawasaki | KZ200 |
| 1974-1977 | Kawasaki | KZ400/D |
| 1977-1978 | Kawasaki | KZ400A Deluxe |
| 1978-1979 | Kawasaki | KZ400B |
| 1975-1977 | Kawasaki | KZ400S Special |
| 1980-1982 | Kawasaki | KZ440A LTD |
| 1977-1980 | Kawasaki | KZ650B/F |
| 1977-1979 | Kawasaki | KZ650C Custom |
| 1980 | Kawasaki | KZ650E LTD |
| 1990-1991 | Sea-Doo | GT |
| 1991-1996 | Sea-Doo | SP |
| 1993-1996 | Sea-Doo | SPI |
| 1983-1987 | Ski-Doo | Alpine |
| 1984 | Ski-Doo | Blizzard 5500 MX |
| 1982-1983 | Ski-Doo | Everest 500 |
| 1979-1980 | Suzuki | DS185 |
| 1996-2000 | Suzuki | DS80 |
| 1972-1973 | Suzuki | GT380 |
| 1972-1974 | Suzuki | GT550 |
| 2001-2004 | Suzuki | JR80 |
| 1974-1975 | Suzuki | RL250 |
| 1977 | Suzuki | RM80 |
| 1970-1976 | Suzuki | TS250 |
| 1976, 1978-1983 | Yamaha | DT100 |
| 1979-1983 | Yamaha | MX100 |
| 1990-2000 | Yamaha | RT100 |
| 1975 | Yamaha | TY175 |
| 1974-1977 | Yamaha | TY250 |
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
Changed your mind? No problem. Most new, unused, and uninstalled items can be returned within 30 days of delivery.
We do not charge a standard restocking fee. Customers are responsible for return shipping unless the item arrived damaged, defective, or incorrect.
Items must be returned in original packaging and in resalable condition.
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!
