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Description
NGK 6664 FITS: Iridium IX Spark Plug Box of 4 (BR7EIX) Spark PlugsNGK 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
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 |
|---|---|---|---|
| 2008-2009 | Benelli | Velvet 125 | Base |
| 1974-1975 | Harley-Davidson | SX125 | Base |
| 1979 | Honda | Accord | Base |
| 1979 | Honda | Accord | LX |
| 1977-1980 | Honda | FL250 Odyssey | Base |
| 1989-1990 | Honda | FL400R Pilot | Base |
| 1979-1980 | Honda | Prelude | Base |
| 1973-1978 | Honda | XL175 | Base |
| 2011-2014 | Husaberg | TE250 | Base |
| 2011-2014 | Husaberg | TE300 | Base |
| 2014-2016 | Husqvarna | TE250 | Base |
| 2014-2016 | Husqvarna | TE300 | Base |
| 1989-1992 | Kawasaki | JB650 Jet Mate | Base |
| 1989-1996 | Kawasaki | JF650 TS | Base |
| 1986,1988-1995 | Kawasaki | JF650 X2 | Base |
| 1991-1995 | Kawasaki | JL650 SC | Base |
| 1986-1988 | Kawasaki | JS300 | Base |
| 1987-1991 | Kawasaki | JS300 300SX | Base |
| 1976 | Kawasaki | JS400 | Base |
| 1977-1992 | Kawasaki | JS440 | Base |
| 1987-1993 | Kawasaki | JS650 650SX | Base |
| 1980-1982 | Kawasaki | KE175 | Base |
| 1978-1983 | Kawasaki | KL250 | Base |
| 1981-1984 | Kawasaki | KLT200 | Base |
| 1979-1980 | Kawasaki | KLX250 | Base |
| 1978 | Kawasaki | KZ200 | Base |
| 1974-1977 | Kawasaki | KZ400/D | Base |
| 1977-1978 | Kawasaki | KZ400A Deluxe | Base |
| 1978-1979 | Kawasaki | KZ400B | Base |
| 1978 | Kawasaki | KZ400C Special | Base |
| 1979 | Kawasaki | KZ400H LTD | Base |
| 1975-1977 | Kawasaki | KZ400S Special | Base |
| 1980-1982 | Kawasaki | KZ440A LTD | Base |
| 1980-1981 | Kawasaki | KZ440B/G | Base |
| 1980-1983 | Kawasaki | KZ440D LTD Belt | Base |
| 1977-1980 | Kawasaki | KZ650B/F | Base |
| 1977-1979 | Kawasaki | KZ650C Custom | Base |
| 1980 | Kawasaki | KZ650E LTD | Base |
| 1966-1967 | Kawasaki | W1 | Base |
| 1968-1969 | Kawasaki | W2SS Commander | Base |
| 1969 | Kawasaki | W2TT Commander | Base |
| 2006-2016,2018-2019 | KTM | 250 XC | Base |
| 2006-2018 | KTM | 250 XC-W | Base |
| 2006-2019 | KTM | 300 XC | Base |
| 2006-2018 | KTM | 300 XC-W | Base |
| 2016 | KTM | 300 XC-W Six Days | Base |
| 2015-2016 | KTM | Freeride 250 R | Base |
| 1959 | MG | MGA | Base |
| 1965-1967 | Porsche | 911 | Base |
| 1973 | Porsche | 911 | E |
| 1967,1973 | Porsche | 911 | S |
| 1973 | Porsche | 911 | T |
| 1979 | Scorpion | Whip 340PR | Base |
| 1990-1991 | Sea-Doo | GT | Base |
| 1989-1996 | Sea-Doo | SP | Base |
| 1993-1996 | Sea-Doo | SPI | Base |
| 1983-1987 | Ski-Doo | Alpine | Base |
| 1984 | Ski-Doo | Blizzard 5500 MX | Base |
| 1982-1983 | Ski-Doo | Everest 500 | Base |
| 1982-1983 | Ski-Doo | Everest 500E | Base |
| 1979-1980 | Suzuki | DS185 | Base |
| 1996-2000 | Suzuki | DS80 | Base |
| 1972-1973 | Suzuki | GT380 | Base |
| 1972-1974 | Suzuki | GT550 | Base |
| 2001-2004 | Suzuki | JR80 | Base |
| 1974-1975 | Suzuki | RL250 | Base |
| 1977 | Suzuki | RM80 | Base |
| 1970-1976 | Suzuki | TS250 | Base |
| 1976,1978-1983 | Yamaha | DT100 | Base |
| 1974 | Yamaha | GP246 | Base |
| 1979-1983 | Yamaha | MX100 | Base |
| 1990-2000 | Yamaha | RT100 | Base |
| 1975,1979 | Yamaha | TY175 | Base |
| 1974-1977 | Yamaha | TY250 | Base |
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4.5 ★★★★★
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Product Reviews
★★★★★ 5
Bridging the Testaments
Format: Hardcover
Very scholarly and detailed if you want to know about the in depth history during this time period. Author is very knowledgeable & has done great research to present. He is very thorough! A lot of info. Helps you to truly comprehend all the various dynasties & kings & how they affected the Jews. Great resource book! I study Jewish history and am giving a sermon on the silent years. This helped me to understand this time period and how the various groups such as Sadducee's, Pharisees, Zealots, Hasidic, Essenes, publicans, etc began. That’s what I was searching for… when & how did these groups develop and splinter off? This book has answered these questions for me. Author writes so well & is organized in time periods! Great book!!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
What a Reading Experience!
Format: Kindle
If your goal is to better grasp reading the New Testament, this book is the one for you! For me, it changed everything in my understanding of these Jewish groups that suddenly "appear" in Matthew when you turn the page from Malachi. Who were the Saducees? The Pharisees? Where did they come from? The Davidic loyalists? The Herodians? The Essenes? It was brilliantly documented with great charts tying history to specific scripture. It also sheds meaningful light also on the ongoing political intrigue of the middle east. Loved this book and highly recommend it.
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Reviewed in the United States on August 18, 2024
★★★★★ 5
Interesting coverage.
Format: Hardcover
Interesting recount of the history of Israel itself, and it’s relation to its neighbors during the period between the years covered by the Old and New Testaments.
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Reviewed in the United States on May 31, 2024
★★★★★ 5
Will Dispell The Idea That There Are 400 Silent Years.
Format: Hardcover
This was a great read, covering the period from 500 BC to the 1st century CE. It's solidly rooted in the Bible and presents a clear, easy-to-follow narrative of a historically complex era. Thanks to this book, I now see the Gospels as a natural continuation of that time. The insights into the power struggles among various sects are particularly compelling, as is the exploration of how compromises were made in the pursuit of influence. A truly worthwhile read!
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Reviewed in the United States on May 22, 2025
★★★★★ 5
Impossible to put down.
Format: Hardcover
Possibly the best book written on this mostly neglected period In religious history.
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Reviewed in the United States on December 30, 2024