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Description
NGK Iridium Premium Spark Plug Box of 4 (BR9EIX)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
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:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Aprilia | RS 50 | Base |
| 1986-1988 | Arctic Cat | Cheetah 500 F/C | Base |
| 1988-1991 | Arctic Cat | Cheetah Touring | Base |
| 1985-1990 | Arctic Cat | Cougar | Base |
| 1989-1990 | Arctic Cat | Cougar Mountain Cat | Base |
| 1985 | Arctic Cat | Cougar SE | Base |
| 1974 | Arctic Cat | El Tigre 295 | Base |
| 1977,1987-1988 | Arctic Cat | El Tigre 5000 | Base |
| 1981 | Arctic Cat | El Tigre 5000 F/C | Base |
| 1986 | Arctic Cat | Jag | Base |
| 1981 | Arctic Cat | Jag 4000 | Base |
| 1987-1988 | Arctic Cat | Jag 440 | Base |
| 1989-1990 | Arctic Cat | Jag AFS | Base |
| 1992-1993 | Arctic Cat | Lynx Mountain Cat | Base |
| 1979-1981,1985-1991 | Arctic Cat | Pantera | Base |
| 1978 | Arctic Cat | Pantera 5000 F/A | Base |
| 1978 | Arctic Cat | Pantera 5000 F/C | Base |
| 1980-1981 | Arctic Cat | Pantera ES (Electric Start) | Base |
| 1979-1981,1984-1990 | Arctic Cat | Panther | Base |
| 1977-1978 | Arctic Cat | Panther 4000 | Base |
| 1973 | Arctic Cat | Panther 440 | Base |
| 1990 | Arctic Cat | Panther Mountain Cat | Base |
| 1981 | Arctic Cat | Panther West | Base |
| 1997 | Arctic Cat | Powder Extreme | Base |
| 1994-1997 | Arctic Cat | Puma | Base |
| 1994-1997 | Arctic Cat | Puma 2-Up | Base |
| 1973 | Arctic Cat | Puma 440 | Base |
| 1994-1997 | Arctic Cat | Puma Deluxe | Base |
| 1987-1990 | Arctic Cat | Super Jag | Base |
| 1980-1981 | Arctic Cat | Trail Cat 400 | Base |
| 1990 | Arctic Cat | Wildcat 650 | Base |
| 1990 | Arctic Cat | Wildcat Mountain Cat | Base |
| 1977 | Arctic Cat | Z 250 | Base |
| 1977-1979 | Bultaco | Pursang 250 | Base |
| 1977 | Can-Am | 175 MX-3 | Base |
| 1980 | Can-Am | 400 MX-6 | Base |
| 2012-2018 | Cobra | CX65 | Base |
| 1998-1999 | Cobra | KING | Base |
| 2010 | Gas Gas | EC 125 | Base |
| 2001 | Gas Gas | EC Rookie 50 | Base |
| 2004 | Gas Gas | SM 50 | Base |
| 1976-1977 | Harley-Davidson | SS125 | Base |
| 1976-1977 | Harley-Davidson | SS175 | Base |
| 1975-1977 | Harley-Davidson | SS250 | Base |
| 1974-1975 | Harley-Davidson | SX175 | Base |
| 1976-1977 | Harley-Davidson | SXT125 | Base |
| 1984-1986 | Honda | ATC250R | Base |
| 1999-2007 | Honda | CR125R | Base |
| 1973-1976 | Honda | CR250M | Base |
| 1978-1981,1987-1988 | Honda | CR250R | Base |
| 1983-1984 | Honda | CR60R | Base |
| 1980-1985 | Honda | CR80R | Base |
| 1982-1984 | Honda | FL250 Odyssey | Base |
| 2004 | Honda | NSR50 | Base |
| 1987-1988 | Honda | TRX250R | Base |
| 1998-2006,2009-2010,2012 | Husqvarna | CR125 | Base |
| 2010 | Husqvarna | SM 125 | Base |
| 1991 | Husqvarna | WME 250 | Base |
| 1998-2006,2009-2012 | Husqvarna | WR125 | Base |
| 2010 | Husqvarna | WRE 125 | Base |
| 1992-1993,1996-1997 | Husqvarna | WXC 250 | Base |
| 1990-1991,1994-1997 | Husqvarna | WXE 250 | Base |
| 1991 | Husqvarna | WXE 260 | Base |
| 1982-1986 | Husqvarna | XC125 | Base |
| 1981-1982 | John Deere | Liquifire 440 | Base |
| 1981-1982 | John Deere | Sportfire | Base |
| 1981-1982 | John Deere | Trailfire 440 | Base |
| 1980-1982 | Kawasaki | KDX175 | Base |
| 1983-1996 | Kawasaki | KDX200 | Base |
| 1984,1991-1994 | Kawasaki | KDX250 | Base |
| 1984 | Kawasaki | KDX80 | Base |
| 1982 | Kawasaki | KE125 | Base |
| 1974-1976,1978-1982,1994-2002 | Kawasaki | KX125 | Base |
| 1974-1976,1978-1982,1986-1987,1989-1991 | Kawasaki | KX250 | Base |
| 1975-1976 | Kawasaki | KX400 | Base |
| 1980-1981 | Kawasaki | KX420 | Base |
| 1983-1984 | Kawasaki | KX500 | Base |
| 1983-2001 | Kawasaki | KX60 | Base |
| 1980-1991 | Kawasaki | KX80 | Base |
| 1987-1991 | Kawasaki | KX80 Big Wheel | Base |
| 1983-1985 | Kawasaki | ZX750 GPZ | Base |
| 1984-1985 | Kawasaki | ZX750E Turbo | Base |
| 2007 | KTM | 105 SX | Base |
| 1993 | KTM | 125 EXC | Base |
| 1997-1998 | KTM | 125 Sting | Base |
| 2003-2004 | KTM | 200 SX | Base |
| 1990-1995 | KTM | 250 EXC | Base |
| 1984-1988 | KTM | 250 MXC | Base |
| 1992-1995 | KTM | 250 SX | Base |
| 1990-1992 | KTM | 300 DXC | Base |
| 1990-1995 | KTM | 300 EXC | Base |
| 1990,1993-1994 | KTM | 300 MXC | Base |
| 1992 | KTM | 300 SX | Base |
| 1989-1990 | KTM | 350 EXC | Base |
| 1985-1988 | KTM | 350 MXC | Base |
| 1985-1986 | KTM | 500 MXC | Base |
| 1992 | KTM | 500 SX | Base |
| 1993-1994 | KTM | 550 MXC | Base |
| 2007 | KTM | 85 SX (17/14) | Base |
| 2007 | KTM | 85 SX (19/16) | Base |
| 2008 | KTM | 85 XC | Base |
| 1999-2006 | LEM | LX4 | Base |
| 2007 | Piaggio | Typhoon | Base |
| 2006-2010 | Polini | X1R | Base |
| 2006-2010 | Polini | X3P Air | Base |
| 2006-2010 | Polini | X3R | Base |
| 2006-2010 | Polini | X5P Air | Base |
| 2007-2010 | Polini | X5P Liquid | Base |
| 2010 | Polini | XP65R | Base |
| 1971 | Sno-Jet | S/S Jet 292 | Base |
| 1971 | Sno-Jet | S/S Jet 338 | Base |
| 1971 | Sno-Jet | S/S Jet 433 | Base |
| 1972 | Sno-Jet | SST 292 | Base |
| 1972 | Sno-Jet | SST 338 | Base |
| 1973-1974 | Sno-Jet | SST 340 | Base |
| 1972 | Sno-Jet | SST 433 | Base |
| 1973-1976 | Sno-Jet | SST 440 | Base |
| 1975-1976 | Sno-Jet | SST F/A 340 | Base |
| 1975-1976 | Sno-Jet | SST F/A 440 | Base |
| 1972 | Sno-Jet | Star-Jet +2 338 | Base |
| 1970-1972 | Sno-Jet | Star-Jet 292 Hirth | Base |
| 1971,1973 | Sno-Jet | Star-Jet 338 | Base |
| 1973 | Sno-Jet | Star-Jet 433 | Base |
| 1970 | Sno-Jet | Super-Jet 338 | Base |
| 1972 | Sno-Jet | Super-Jet 433 | Base |
| 1976-1977 | Suzuki | GT250 | Base |
| 1985-1992 | Suzuki | LT250R QuadRacer | Base |
| 1978 | Suzuki | PE175 | Base |
| 1980 | Suzuki | PE250 | Base |
| 1980-1981 | Suzuki | PE400 | Base |
| 1976-1981 | Suzuki | RM100 | Base |
| 1975-1980,1982-1995 | Suzuki | RM125 | Base |
| 1976-1981 | Suzuki | RM250 | Base |
| 1976-1977 | Suzuki | RM370 | Base |
| 1982 | Suzuki | RM465 | Base |
| 2003 | Suzuki | RM60 | Base |
| 1982,1984-1985 | Suzuki | RM80 | Base |
| 1993-1998 | Suzuki | RMX250 | Base |
| 1981 | Suzuki | RS250 | Base |
| 1995-2003 | TM | 125E | Base |
| 1995-2003 | TM | 250E | Base |
| 1996-2003 | TM | 300E | Base |
| 1995-2000 | TM | 80E | Base |
| 2009 | TM | EN125 | Base |
| 2009 | TM | EN144 | Base |
| 1995-2003,2009-2012 | TM | MX125 | Base |
| 2009,2011 | TM | MX144 | Base |
| 1995-2003,2011-2012 | TM | MX250 | Base |
| 1998-2003,2011-2012 | TM | MX300 | Base |
| 1995-2000 | TM | MX80 | Base |
| 2009 | TM | MX85 (17/14) | Base |
| 2009 | TM | MX85 (19/16) | Base |
| 2009 | TM | SMM125 | Base |
| 2009 | TM | SMR125 | Base |
| 2001 | Vespa | ET2 | Base |
| 1969-1971 | Yamaha | AT1 | Base |
| 1970-1971 | Yamaha | AT1M | Base |
| 1972 | Yamaha | AT2M | Base |
| 1980-1981 | Yamaha | DT175 | Base |
| 1974 | Yamaha | DT360 | Base |
| 1975-1976 | Yamaha | DT400 | Base |
| 1972-1973 | Yamaha | EW643 | Base |
| 1976-1978 | Yamaha | EX340 | Base |
| 1976-1981 | Yamaha | EX440 | Base |
| 1973-1974 | Yamaha | GP292 | Base |
| 1974-1975 | Yamaha | GPX338 | Base |
| 1974-1975 | Yamaha | GPX433 | Base |
| 1980-1981 | Yamaha | IT125 | Base |
| 1979-1983 | Yamaha | IT175 | Base |
| 1984-1985 | Yamaha | IT200 | Base |
| 1977-1983 | Yamaha | IT250 | Base |
| 1974-1976 | Yamaha | MX125 | Base |
| 1975 | Yamaha | MX400 | Base |
| 1970-1971 | Yamaha | RT1 | Base |
| 1972-1973 | Yamaha | RT2 | Base |
| 1973 | Yamaha | RT3 | Base |
| 1973,1978 | Yamaha | SR433 | Base |
| 1973,1975 | Yamaha | SR643 | Base |
| 1976-1980 | Yamaha | SRX440 | Base |
| 1969 | Yamaha | SS338 | Base |
| 1971 | Yamaha | SS433 | Base |
| 1976 | Yamaha | TY175 | Base |
| 1992 | Yamaha | WR200 | Base |
| 1982 | Yamaha | YZ100 | Base |
| 1974-1976,1982-2017 | Yamaha | YZ125 | Base |
| 1974-1982,1984-1987 | Yamaha | YZ250 | Base |
| 1980 | Yamaha | YZ50 | Base |
| 1981-1983 | Yamaha | YZ60 | Base |
| 1982-1983 | Yamaha | YZ80 | Base |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.1 ★★★★★
Based on 1932 reviews
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Product Reviews
★★★★★ 5
Quality
Color: Black
This is by far the best frother I've used. Battery life is great. Its UX is excellent. Feels nice in the hand and has great power. Also like the on/off button as opposed to haveing to hold a switch down. Looking forward to getting their s3 scale.
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Reviewed in the United States on April 11, 2026
★★★★★ 4
Overall good frother
Color: Black
Bought the Maestri and the Zulay frother to test which one is better since both had good reviews. Returned the Zulay (see Zulay review) and kept the Maestri. Been using it for a few days now and works well. Mixes chai and hot chocolate well. It has one speed that is a good speed to mix, but not so fast that it causes the drink to spill over the top as long as the cup is filled to about 80% full. Because I tend to use the tall 20 oz Contigo autoseal cups, it could benefit from offering longer attachments to reach the bottom of the cup (note: that I did not find any company that offers longer attachment arms).
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Reviewed in the United States on January 28, 2026
★★★★★ 5
LOVE this frother and the creamy results!
Color: Black
I LOVE this gadget! And I'm not a gadget person.
Since I got it a few days ago, I've switched from using my Nespresso coffee maker, which uses pods and which I really like, to using Starbucks instant coffee packets (cheaper and more environmentally friendly than pods). I put a packet of the coffee and two packets of Equal in a cup, add half and half, then use this frother to mix them. Within a few seconds -- no more than 5, if that -- I have a thick mound of creamy froth. Then I had the water to finish making the coffee. Fantastic. This thing is so easy and fun to use.
This is not the cheapest frother available. I wanted a rechargeable unit that has sufficient power to make nice, creamy froth. Also, I didn't want to spend $10 and have the thing break and have to replace it. Reviews suggest the cheaper ones are fine if you don't regularly use a frother. I never used one before and didn't really think I would use it very often. But I like it so much, I've been using it twice a day.
Also, I first saw one in use while traveling in India. Another guest at my small hotel had one, which she used to make a latte with rather than drink the rather tepid offering at the more tea-oriented hotel. That's when I decided to get one. I'll be taking it on future trips. Some come with travel containers; this one didn't.
The only learning curve was making sure the cup or pitcher for the cream is deap enough not to splash out the cream. I think I'm actually using a little less cream than I used to because the volume increases so much. I use cold cream, not heated (I used to heat it in the microwave when I was using the NesPresso.) I find I like the initial contrast with the cold cream at the top, then I stir it down into the coffee. The Starbucks coffee is excellent. I've used it for iced lattes in the past, so I knew it was good. I can hardly wait for a heat wave to make them with this frother.
I did try to beater attachment in eggs when I was making an omelet. Not worth the trouble -- first, the bowl I was using to beat the eggs was too shallow and egg got all over. Second, a fork works just as well. If I were whipping cream, I would definitely use it.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Best frother ever
Color: White
This brother is wickedly powerful you don't need to use it for very long to get phenomenal frothing results
Incorporates ingredients quickly
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Works great and so much fun!
Color: Black
How did I live without this for so long? I love this little gadget! It gets used multiple times a day. It's not only great for frothing milk but it will whip eggs for a recipe and stir other ingredients as well. People who have complained that the stirring attachment was missing a piece did not read the description. The picture clearly shows there is no "boot" on that attachment, you don't want that one to spin like the frother. The Frother holds a charge for quite a while as well. I use mine multiple times a day and it is still holding a charge after weeks of daily use. Great item!
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Reviewed in the United States on February 15, 2026