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- USA
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
NGK IX Iridium Spark Plug Box of 4 (TR6IX)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 |
|---|---|---|---|
| 2000 | Aston Martin | DB7 | Vantage |
| 2000 | Aston Martin | DB7 | Vantage Volante |
| 2009-2015 | Cadillac | CTS | V |
| 2014-2015 | Chevrolet | Camaro | Z/28 |
| 2012-2015 | Chevrolet | Camaro | ZL1 |
| 2013 | Chevrolet | Corvette | 427 |
| 2008 | Chevrolet | Corvette | 427 Limited Edition Z06 |
| 2006-2013 | Chevrolet | Corvette | Z06 |
| 2011 | Chevrolet | Corvette | Z06 Carbon |
| 2009-2013 | Chevrolet | Corvette | ZR1 |
| 1996-2008,2010-2011 | Ford | Crown Victoria | Base |
| 2006-2009 | Ford | Crown Victoria | Fleet |
| 2002-2009 | Ford | Crown Victoria | LWB |
| 1997-2011 | Ford | Crown Victoria | LX |
| 2004 | Ford | Crown Victoria | LX Sport |
| 1996-2005,2008-2011 | Ford | Crown Victoria | Police Interceptor |
| 1996-2005 | Ford | Crown Victoria | S |
| 2005 | Ford | Crown Victoria | Special Edition |
| 2002-2003 | Ford | F-150 | Harley-Davidson Edition |
| 1999-2003 | Ford | F-150 | Lightning |
| 2004 | Ford | F-150 Heritage | SVT Lightning |
| 2005-2006 | Ford | GT | Base |
| 2007-2014 | Ford | Mustang | Shelby GT500 |
| 2008-2009 | Ford | Mustang | Shelby GT500KR |
| 2001-2004 | Ford | Ranger | Edge |
| 2004 | Ford | Ranger | Tremor |
| 1999-2004 | Ford | Ranger | XL |
| 1999-2004 | Ford | Ranger | XLT |
| 1999-2004 | Ford | Taurus | LX |
| 1999-2006 | Ford | Taurus | SE |
| 2000,2003 | Ford | Taurus | SE Comfort |
| 2004-2006 | Ford | Taurus | SEL |
| 2000-2004 | Ford | Taurus | SES |
| 2000 | Ford | Taurus | SVG |
| 2006-2007 | Lincoln | Town Car | Designer Series |
| 2006-2010 | Lincoln | Town Car | Executive |
| 2006-2011 | Lincoln | Town Car | Executive L |
| 2006 | Lincoln | Town Car | Protection Series |
| 2006-2007 | Lincoln | Town Car | Signature |
| 2006-2011 | Lincoln | Town Car | Signature L |
| 2006-2011 | Lincoln | Town Car | Signature Limited |
| 2001 | Mazda | B3000 | DS |
| 1999-2001 | Mazda | B3000 | SE |
| 2000 | Mazda | B3000 | SX |
| 1999-2000 | Mazda | B3000 | Troy Lee |
| 2006-2008 | Mercury | Grand Marquis | GS |
| 2006-2011 | Mercury | Grand Marquis | LS |
| 2003-2005 | Mercury | Sable | GS |
| 2001 | Mercury | Sable | LS |
| 1989 | Pontiac | Firebird | Trans Am |
| 1989 | Pontiac | Firebird | Trans Am GTA SE |
| 1990 | Pontiac | Grand Prix | Mclaren |
| 1989 | Pontiac | Grand Prix | SE |
| 1990 | Pontiac | Grand Prix | STE |
| 1968-1971 | Rover | 2000 | Base |
| 1968-1971 | Rover | 2000 | TC |
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
4.5 ★★★★★
Based on 2130 reviews
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Product Reviews
★★★★★ 5
Great, Long lasting for youtself or as a gift
Simple, it's Carhartt. I got it for my construction worker friend three years ago, and it's still in near-perfect condition today.
plenty of space in it.
A great gift, perfect for yourself - nothing else to say.
You definitely get what you pay for.
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Reviewed in the United States on January 2, 2026
★★★★★ 5
High-Quality, Long-Lasting Fabric Wallet - Exceptional Value
I recently purchased the Carhartt Men's Billfold and Passcase Wallet and have been nothing short of impressed with this product. Both its design and functionality have far surpassed my expectations, making it an indispensable accessory for daily use.
The moment I unboxed the wallet, the quality was immediately apparent. The fabric is thick and sturdy - a clear hallmark of Carhartt, renowned for its durable gear. The stitching is clean and robust, with no loose threads, reinforcing the fact that this wallet is built to stand up to heavy use.
The wallet’s design and layout are well thought out. With ample compartments for cash, cards, and identification, it allows for easy organization of your essentials. The separate passcase is an excellent feature that enhances the wallet's utility, offering quick access to your ID and frequently used cards. Despite the impressive storage capacity, the wallet maintains a slim profile, ensuring it fits comfortably in any pocket.
Aesthetically, this wallet doesn't disappoint either. The fabric has a rich color, giving it a rugged yet sophisticated look that's suitable for both casual and formal settings. The embossed Carhartt logo is a symbol of quality and durability that aligns with the brand's reputation.
What I truly appreciate is the wallet's longevity. Over time, it has proven its durability without any signs of wear and tear. The fabric has softened slightly for a more comfortable feel while maintaining its shape and strength.
In conclusion, the Carhartt Men's Billfold and Passcase Wallet offers exceptional value. If you're in need of a new wallet, I cannot recommend this product highly enough. Its superior quality, robust design, and practical features make it a smart investment that, I believe, will endure daily use for years to come.
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Reviewed in the United States on August 6, 2023
★★★★★ 5
Rugged, Reliable, and Built to Last
I picked up this Carhartt billfold wallet a while ago, and it’s exactly what I expected from the brand—tough, well-made, and built for everyday use. It’s holding up great, even after months of being stuffed in my pocket, dropped, and tossed around.
What I Like:
Durable Materials: The leather and stitching are rugged and high quality. It still looks good and hasn’t shown signs of wear.
Plenty of Storage: There’s more than enough space for cards, cash, and ID, and it doesn’t bulk up too much. The removable passcase is a nice bonus.
Classic Look: Clean, no-nonsense design. It has a workwear vibe that fits the Carhartt name perfectly.
Comfortable to Carry: Even fully loaded, it fits nicely in my back pocket without being uncomfortable or bulky.
Feels Like It'll Last for Years: You can tell this wallet was made with longevity in mind.
Final Thoughts:
If you want a simple, reliable wallet that won’t fall apart on you, this one’s a great pick. It looks good, performs even better, and lives up to the Carhartt name.
Highly recommend for anyone who values durability over flash.
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Reviewed in the United States on April 12, 2025
★★★★★ 4
Overall it's a pretty nice wallet, and its different, unique.
Color: Carhartt Brown
This is a nice wallet. I am deducting one star for the reason another buyer noted. The card pockets are extremely tight. A solution that I came up with was to take a plastic putty knife and push down inside the card pockets and stretch the material out, this helped a bunch! One thing I really like, the material is not as slick as a leather wallet, so if a person has trouble with their wallet sliding out of their pocket, I think this one would be less likely to do that. Overall I'm pretty happy with it.
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Reviewed in the United States on February 4, 2026
★★★★★ 5
good
Color: Carhartt Brown
it’s a good wallet i like it
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Reviewed in the United States on April 26, 2026