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Description
NGK Iridium Stock Heat Spark Plugs Box of 4 (BKR5EIX)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.
- 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 |
|---|---|---|---|
| 2011-2014 | Argo | 6x6 650 HD | Base |
| 2016 | Argo | 6x6 750 HDi | Base |
| 2015-2016 | Argo | 6x6 Frontier EFI 694 | Base |
| 2015-2016 | Argo | 6x6 Frontier EFI 747 | Base |
| 2010 | Argo | 750 HDi 8x8 | Base |
| 2010 | Argo | 750 HDi 8x8 Special Edition | Base |
| 2011-2016 | Argo | 8x8 700 HD | Base |
| 2011-2016 | Argo | 8x8 750 HDi | Base |
| 2011-2016 | Argo | 8x8 750 HDi SE | Base |
| 2015-2016 | Argo | 8x8 Frontier EFI | Base |
| 2013-2016 | Argo | 8x8 XTI | Base |
| 2019 | Argo | Aurora 800 | Base |
| 2019 | Argo | Aurora 800 Limited | Base |
| 2019 | Argo | Aurora 800 SX | Base |
| 2019 | Argo | Aurora 800 SX Hunt Master | Base |
| 2019 | Argo | Aurora 950 SX | Base |
| 2006-2011 | Argo | Avenger 700 8x8 | Base |
| 2010-2011,2013 | Argo | Avenger 750 EFI 8x8 | Base |
| 2019 | Argo | Avenger 800 | Base |
| 2019 | Argo | Avenger 800 Hunt Master | Base |
| 2017-2018 | Argo | Avenger 8x8 Hunt Master | Base |
| 2017 | Argo | Avenger 8x8 Hunt Master R | Base |
| 2017 | Argo | Avenger 8x8 Hunt Master X | Base |
| 2017 | Argo | Avenger 8x8 Hunt Master Z | Base |
| 2017 | Argo | Avenger 8x8 Hunt Master ZX | Base |
| 2017-2018 | Argo | Avenger 8x8 LX | Base |
| 2017-2018 | Argo | Avenger 8x8 Responder | Base |
| 2017 | Argo | Avenger 8x8 Responder X | Base |
| 2017 | Argo | Avenger 8x8 S | Base |
| 2017-2018 | Argo | Avenger 8x8 ST | Base |
| 2018 | Argo | Avenger 8x8 ST LE | Base |
| 2017-2018 | Argo | Avenger 8x8 STR | Base |
| 2017 | Argo | Avenger 8x8 STX | Base |
| 2018 | Argo | Avenger 8x8 XT | Base |
| 2019 | Argo | Avenger Pro 800 XT | Base |
| 2019 | Argo | Avenger Pro 800 XT Responder | Base |
| 2019 | Argo | Bigfoot 800 MX6 | Base |
| 2019 | Argo | Bigfoot 800 MX8 | Base |
| 2019 | Argo | Conquest 800 Outfitter | Base |
| 2017 | Argo | Conquest 8x8 Explorer XTi | Base |
| 2017 | Argo | Conquest 8x8 i | Base |
| 2017 | Argo | Conquest 8x8 Lineman XTi | Base |
| 2017-2018 | Argo | Conquest 8x8 Outfitter XTi | Base |
| 2017 | Argo | Conquest 8x8 Outfitter XTi-Z | Base |
| 2018 | Argo | Conquest 8x8 XT-L | Base |
| 2018 | Argo | Conquest 8x8 XT-X | Base |
| 2017 | Argo | Conquest 8x8 XTi | Base |
| 2019 | Argo | Conquest Pro 800 XT | Base |
| 2019 | Argo | Conquest Pro 800 XT-L | Base |
| 2019 | Argo | Conquest Pro 800 XT-X | Base |
| 2010-2014 | Argo | Frontier 580 6x6 | Base |
| 2019 | Argo | Frontier 600 6x6 | Base |
| 2010 | Argo | Frontier 650 6x6 | Base |
| 2010-2014,2019 | Argo | Frontier 650 8x8 | Base |
| 2017 | Argo | Frontier 6x6 | Base |
| 2017 | Argo | Frontier 6x6 S | Base |
| 2017-2018 | Argo | Frontier 6x6 Scout S | Base |
| 2017 | Argo | Frontier 6x6 Scout ST | Base |
| 2018 | Argo | Frontier 6x6 SE | Base |
| 2017 | Argo | Frontier 6x6 ST | Base |
| 2018 | Argo | Frontier 6x6 ST LE | Base |
| 2019 | Argo | Frontier 700 6x6 | Base |
| 2019 | Argo | Frontier 700 8x8 | Base |
| 2019 | Argo | Frontier 700 Scout 6x6 | Base |
| 2019 | Argo | Frontier 750 Scout 8x8 | Base |
| 2017 | Argo | Frontier 8x8 Responder S | Base |
| 2017-2018 | Argo | Frontier 8x8 S | Base |
| 2018 | Argo | Frontier 8x8 S LE | Base |
| 2017-2018 | Argo | Frontier 8x8 Scout S | Base |
| 2016 | Argo | HuntMaster | Base |
| 2016 | Argo | Outfitter | Base |
| 2007 | Argo | Response 8x8 | Base |
| 2016 | Argo | Scout 6x6 | Base |
| 2016 | Argo | Scout 8x8 | Base |
| 2006-2007 | Argo | Vanguard 2 6x6 | Base |
| 2006-2007 | Argo | Vanguard 6x6 | Base |
| 2000-2001 | Bentley | Arnage | Green Label |
| 2002-2009 | Bentley | Arnage | R |
| 2000-2002 | Bentley | Arnage | Red Label |
| 2001-2009 | Bentley | Arnage | RL |
| 2002-2009 | Bentley | Arnage | T |
| 1996-2003,2006-2008 | Bentley | Azure | Base |
| 1999-2002 | Bentley | Azure | Mulliner |
| 1993-1998 | Bentley | Brooklands | Base |
| 1993-1998 | Bentley | Brooklands | LWB |
| 1985-1995 | Bentley | Continental | Base |
| 1993-2003 | Bentley | Continental | R |
| 1999-2000 | Bentley | Continental | SC |
| 1997-2003 | Bentley | Continental | T |
| 1984 | Bentley | Corniche | Base |
| 1984,1986-1991 | Bentley | Eight | Base |
| 1984-1986 | Bentley | Mulsanne | Base |
| 1985-1986 | Bentley | Mulsanne | L |
| 1987-1992 | Bentley | Mulsanne | S |
| 1988-1996 | Bentley | Turbo R | Base |
| 1992-1998 | Bentley | Turbo R | LWB |
| 1997-2001 | Cadillac | Catera | Base |
| 1999-2001 | Cadillac | Catera | Sport |
| 2010-2016 | Case IH | Scout | Base |
| 1992-1993 | Chevrolet | Beretta | GTZ |
| 1994 | Chevrolet | Beretta | Z26 |
| 2004-2005 | Chrysler | Sebring | Limited |
| 2007 | Cub Cadet | 4x2 FIS / FIS SE | Base |
| 2007 | Cub Cadet | 4x4 | Base |
| 2007 | Cub Cadet | 4x4D | Base |
| 2007 | Cub Cadet | Big Country 4x2 | Base |
| 2009-2014 | Cub Cadet | Volunteer 4x2 | Base |
| 2008 | Cub Cadet | Volunteer 4x2 FIS | Base |
| 2009-2014 | Cub Cadet | Volunteer 4x4 | Base |
| 2008-2018 | Cub Cadet | Volunteer 4x4 EFI | Base |
| 2009 | Cub Cadet | Volunteer 4x4 EFI w/Cab | Base |
| 2008 | Cub Cadet | Volunteer 4x4 Trail | Base |
| 2009 | Cub Cadet | Volunteer 4x4 w/Cab | Base |
| 2018 | Cub Cadet | Volunteer WT | Base |
| 2016-2018 | Cub Cadet | Volunteer WT Cab | Base |
| 1995-1996 | Dodge | Ram 2500 | Base |
| 1995-1997 | Dodge | Ram 3500 | Base |
| 2004-2005 | Dodge | Stratus | R/T |
| 1993-1997 | Geo | Prizm | Base |
| 1993-1997 | Geo | Prizm | LSi |
| 1993-1997 | Jaguar | Vanden Plas | Base |
| 1997 | Jaguar | XJR | Base |
| 1987-1990 | Jeep | Cherokee | Base |
| 1987-1988 | Jeep | Cherokee | Chief |
| 1987-1990 | Jeep | Cherokee | Laredo |
| 1987-1990 | Jeep | Cherokee | Limited |
| 1987-1990 | Jeep | Cherokee | Pioneer |
| 1989-1990 | Jeep | Cherokee | Sport |
| 1987-1990 | Jeep | Comanche | Base |
| 1987-1988 | Jeep | Comanche | Chief |
| 1988-1990 | Jeep | Comanche | Eliminator |
| 1987-1988 | Jeep | Comanche | Laredo |
| 1987-1990 | Jeep | Comanche | Pioneer |
| 1987 | Jeep | Wagoneer | Base |
| 1987-1990 | Jeep | Wagoneer | Limited |
| 2012-2016 | John Deere | Gator XUV 550 | Base |
| 2012-2016 | John Deere | Gator XUV 550 S4 | Base |
| 2016-2017 | John Deere | Gator XUV 560 | Base |
| 2016-2017 | John Deere | Gator XUV 560 S4 | Base |
| 2018 | John Deere | Gator XUV 560E | Base |
| 2018 | John Deere | Gator XUV 560E S4 | Base |
| 1995 | Kia | Sportage | Base |
| 1995 | Kia | Sportage | EX |
| 1996-1997 | Lexus | LX450 | Base |
| 2004-2005 | Mazda | Miata | Mazdaspeed |
| 1990-1993 | Mercedes-Benz | 300CE | Base |
| 1993 | Mercedes-Benz | 300E | 2.8 |
| 1993 | Mercedes-Benz | 300E | Base |
| 1992-1993 | Mercedes-Benz | 300SE | Base |
| 1990-1993 | Mercedes-Benz | 300SL | Base |
| 1993 | Mercedes-Benz | 300TE | Base |
| 1992-1993 | Mercedes-Benz | 400E | Base |
| 1992 | Mercedes-Benz | 400SE | Base |
| 1993 | Mercedes-Benz | 400SEL | Base |
| 1992-1993 | Mercedes-Benz | 500E | Base |
| 1993 | Mercedes-Benz | 500SEC | Base |
| 1992-1993 | Mercedes-Benz | 500SEL | Base |
| 1990-1993 | Mercedes-Benz | 500SL | Base |
| 1993 | Mercedes-Benz | 600SEC | Base |
| 1992-1993 | Mercedes-Benz | 600SEL | Base |
| 1993 | Mercedes-Benz | 600SL | Base |
| 1994-1996 | Mercedes-Benz | C220 | Base |
| 1997-1998 | Mercedes-Benz | C230 | Base |
| 1994-1997 | Mercedes-Benz | C280 | Base |
| 1995-1997 | Mercedes-Benz | C36 AMG | Base |
| 1994-1997 | Mercedes-Benz | E320 | Base |
| 1994-1995,1997 | Mercedes-Benz | E420 | Base |
| 1994 | Mercedes-Benz | E500 | Base |
| 1994-1999 | Mercedes-Benz | S320 | LWB |
| 1994-1999 | Mercedes-Benz | S320 | SWB |
| 1994-1997 | Mercedes-Benz | S420 | Base |
| 1994-1997 | Mercedes-Benz | S500 | Base |
| 1994-1997 | Mercedes-Benz | S600 | Base |
| 1994-1997 | Mercedes-Benz | SL320 | Base |
| 1994-1997 | Mercedes-Benz | SL500 | Base |
| 1994-1997 | Mercedes-Benz | SL600 | Base |
| 1993-1998 | Mercury | Villager | GS |
| 1993-1998 | Mercury | Villager | LS |
| 1994-1998 | Mercury | Villager | Nautica |
| 2004-2005 | Mitsubishi | Eclipse | GT |
| 2004-2005 | Mitsubishi | Eclipse | Spyder GT |
| 2009-2010 | Mitsubishi | Lancer | GTS |
| 2010 | Mitsubishi | Lancer | GTS Sportback |
| 2008-2010 | Mitsubishi | Outlander | ES |
| 2008-2010 | Mitsubishi | Outlander | SE |
| 1993-1998 | Nissan | Quest | GXE |
| 1993-1998 | Nissan | Quest | XE |
| 1992-1993 | Oldsmobile | Achieva | S |
| 1992,1994 | Oldsmobile | Achieva | SC |
| 1992-1993 | Oldsmobile | Achieva | SCX |
| 1994 | Oldsmobile | Achieva | SL |
| 1989-1991 | Peugeot | 405 | DL |
| 1989-1991 | Peugeot | 405 | S |
| 1998-1999 | Polaris | Big Boss 500 6x6 | Base |
| 1995-1998 | Polaris | Magnum 425 2x4 | Base |
| 1995-1998 | Polaris | Magnum 425 4x4 | Base |
| 1996-1997 | Polaris | Magnum 425 6x6 | Base |
| 2002 | Polaris | Magnum 500 2x4 | Base |
| 2000-2003 | Polaris | Magnum 500 4x4 | Base |
| 2002 | Polaris | Magnum 500 RMK | Base |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Great headphones
Color: Black
So far im really enjoying these headphones, for the price I paid these are amazing. Significantly better than the slightly cheaper bluetooth headphones I usually get, twice the volume, base and sound quality. Its very light weigh and comfortable to wear too. Battery also appears to be exceptional, ive used it for hours now and the battery is still nearly full. Downloading the app is essential, it dramatically helps with improving and customizing the sound to your personal preference, the apps easy to install and use so there's no reason not too. Assuming these last awhile, its easily 5 stars for the price alone.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
I AM IMPRESSED
Color: Black
The product arrived well packaged. There was a delivery delay but it was not horrendous and to be expected given that it was ordered during Parime Days,
The headphones arrived almost fully charged, Set up was relatively easy, but you really do need to use their app to complete the set up process. The app also allows you to change some settings and select equalizer settings that work for you.
The switches have a nice feel to them. They do have raised areas designed to help you find the correct switch by feel. There are times however when I find that it is easier to adjust the volume using the phone or I remove the headphone to make a change. This is a very subjective items so you may not have the same issue. No stars were deducted for that reason.
These are an on ear device. It was not uncomfortable to me, but it did take some getting used to and here again...Personal preference comes into play. On a warm and humid day you may experience some sweating where the ear cup rides on your ear. That may allow for some movement / shifting of the headphone depending on what you are doing. They may thus not work out well for use doing exercising as an example.
The sound quality is great at this price point. I have Bose ear buds. The sound from this device is not Bose quality and you should not expect it to be Bose quality. It is good to very good however. The equalizer settings allow you to control all five typical equalizer settings PLUS a separate adjustment for th4 bass.
Paring was easy and fast. The connection remains stable most of the time. There is a selection that allows you to select either top quality sound or a more stable connection. I chose sound quality an the vast majority of the time the connection was stable with no noise present. There may be times however, that due to local conditions / interference you may have a little popping or very brief drop out. I have worn these headphones a LOT since they arrived and while I have experienced that, it was very limited. Now I also have a lot of electric / electronic devices in use on my property and that will may explain what I experienced. I did have some interference from some household devices when I wass very close to them.
The battery life seems to be very good. I have worn m for several hours and the voice system still indicates 100% at startup. Unlike my Bose products the battery monitoring system is not linear where it will call out 100%, 90%, 80%b etc... It may call out 100% until the battery hits 50% (As an example) and then te voice system will drop from stating 100% to 50%. I do not see that as an issue or negative given the very long stated by the manufacturer battery life, and I have no disagreement with their claims about battery life aty this point in time,
So again...Thus far I am very pleased with the fit, quality, and sound quality of these headphones. Do bed aware that tey are NOT noise cancelling. There will be some outside noise reduction dur to the ear cups of course.
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Reviewed in the United States on July 31, 2024
★★★★★ 5
Battery lasts a long time
Color: Black
Very nice headphones really really like them they have great sound adjustable app to adjust the settings on the earphones has great Bass not loud bass great Bass and charge time last is forever great value for your money easy to set up make sure you download the app you can change a lot with them charge time about an hour but it lasted for like a week for me and I use it like 2 hours a day
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Reviewed in the United States on April 22, 2026
★★★★★ 4
Great no-frills Bluetooth wireless headphones
Color: Blue
I did not read the description carefully. It states what devices these headphones are compatible with and "desktop computer" is not one of them. I called Sony and they told me they will work with almost any modern device that has Bluetooth connectivity. I easily wirelessly connected them to my desktop computer and they work great. Strangely the user guide gives instructions on how to use them with Mac and Windows computers, so read the user guide/manual that is linked in the description. If you want to use any of the functions of the Sony Headphones Connect app you will need a compatible phone. If you do not use the app (not compatible with computers) they function as a basic pair of wireless headphones. All rather confusing and the Amazon description does nothing to clear it up.
With that being said I connected it easily to my desktop computer. I am no audiophile and do not need a $400 pair of headphones. To me they sound great especially for the inexpensive price. They are NOT noise cancelling headphones and I did not want noise cancelling. They are "on the ear" headphones meaning they are about the size of your ear and press your ears against your head creating a bit of a seal keeping some exterior noise out. Works fine, but if you wear eyeglasses and wear the glasses and the headphones at the same time after a few hours it can become uncomfortable as the headphones press your ear against the arm of the glasses and the arm of the glasses into the side of your head.
The charging port on the headphones is USB C and they come with a USB A to USB C cable but no charging brick. I connected mine to my computer with a USB C to USB C cable and it charged fine. 50 hours of playtime on one charge is great.
One star for a confusing and unclear Amazon description. 4 stars for a good basic pair of headphones that works with almost any modern Bluetooth device, albeit without the functions of the Sony app (unless you are using it with a compatible phone).
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Reviewed in the United States on December 12, 2025
★★★★★ 5
Lightweight, great sound and beautiful color.
Color: Cappuccino
I absolutely love these headphones. The color is great, they're lightweight, feel great on my ears and head. They're great quality and love that they twist down when testing then on my neck so they're not hitting my face. I would recommend this product!
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Reviewed in the United States on May 16, 2026