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NGK  |  SKU: NGK3689

NGK IX Iridium Spark Plug Box of 4 (TR6IX)

$333.14
Shipping calculated at checkout.

Description
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

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About K2 Industries

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Customer Reviews

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Let customers speak for us

from 199 reviews
Well worth it.

Just bought these clears for my mk7 and love them already. took under a hour to install and i feel like it was a much needed addition for my car. only thing i will say is if you buy them be aware that you have to take your reverse bulb out of your stock tail lights and put them into these (takes 30 seconds to get them out and put them in these new ones) follow my ig: dstagetwo ;)

Dawson Issac
VW MK7 Golf GTI Chrome/Clear LED Tail Lights (2012 - 2017)
Rear lights bmw e90

Absolutely incredible variants of modifications for lights, gadgets etc for all car specs!

Wolfy01
BMW 3 Series E90 Sedan Red / Chrome / Black LED Tail Lights (2005 - 2008)
Completely changed the look!

I love these headlights, I wouldn’t hesitate to buy them again if I got another truck my body style. Best looking headlights I’ve seen that they make for this truck.

Coltan Vice
Spec-D Full LED Headlights Chevy Silverado 1500 (2019-2021) Sequential LED Black Housing w/ Clear or Smoked Lens
Great purchase

Shopped on time, easy install, looks great! Would highly recommend!

Brittney Burriss
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Layne Coy
VW Golf 6th Gen Mk6 Hatchback LED Tail Lights (2008 - 2014)
Great little side marker!

GreEasy to install on my E46 M3 and it looks more modern with the LED lighting. Yes, the light does stay on for a minute (or two) after I un/lock it but it actually looks pretty cool. Definitely an easy modification to update your car's look.

Beemer Boii
BMW E38 7-Series E46 M3 Crystal Light Bar Clear/Smoke Lens Amber/White LED Side Marker Light (1995-2006)

If you buy these you have to program them to your car I have 06 325i

Steven Morales-Gonzalez
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Loved the product, great quality

Neville Mitchell
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BMW E36 Sedan Custom Clear Tail Lights V3 (1992-1999)

Jay Morey
BMW E36 Sedan Custom Clear Tail Lights V3 (1992-1999)
Carbon Fiber Airducts

Glad that K2 offer this product. One of many carbon fiber parts that I want to add to my G80.

Joe Kelley
BMW 3/4 Series G80 G81 G82 G83 Carbon Fiber Air Ducts (2019 - 2024)
Blue DRL

A complete fresh look for my F20 with this blue DRL. I'm happy with the result with this upgrade!

Marion Khun
BMW 1 Series F20/F21 DRL Module (2015-2019)
Nice Upgrade

Fits like a glove! A sudtle race-inspired look for my G82.

Brandon Edwards
BMW 4 Series M4 G82 KB Style Carbon Fiber Spoiler (2021+)
Amazing Taillights

I absolutely love the product, they fit perfectly as if they are oem. I love the attention to detail

Sakir Hall
BMW 3 Series E90 Upgraded LED Tail Lights (2009 - 2011)
Beautiful Spoiler

The carbon fiber look is flawless! Had it installed for a week now and so far it's sturdy during high speeds. Worth the money, worth the wait!

Matthew Medina
BMW 2 Series G42 MP Style Carbon Fiber Spoiler (2022+)
Premium Interior Touch

This carbon fiber HUD cover added a high-end, sporty feel to my X4 M’s interior. The fit is precise, and the carbon fiber finish looks stunning. Small upgrade, big impact!

Vernon Mitchell
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Frequently Asked Questions

Why Buy from K2 Industries

What makes K2 Industries more than just a parts supplier?

We’re a team of USA-based car enthusiasts committed to helping you get your build right the first time. With our deep product knowledge and close relationships with trusted manufacturers, we ensure you receive high-quality parts that perform. We’re here to support you before, during, and after your purchase, providing personalized advice, part compatibility checks, and responsive customer service. When you buy from us, you’re joining a community that cares as much about your car as you do.

How do I know which parts are best for my car and goals?

Answer: Our team can provide personalized mod plans to match your performance and style goals. Whether you’re building for speed, aesthetics, or both, we’ll help you select the right parts for your vision. Contact us to discuss your project!

Do You Have Financing Options?

Answer: Yes, we offer flexible financing options to make it easier for you to upgrade your vehicle without paying the full amount upfront. Choose our financing option at checkout to split your purchase into manageable payments, so you can start your build now and pay over time.

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Shipping

Do you ship overseas?

Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.

How long will it take to receive my order?

It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.

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Any question?

You can contact us through our contact page! We will be happy to assist you.