NGK Iridium IX Spark Plug Box of 4 (LFR5AIX-11) — Fits Infiniti, Nissan, Chrysler

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Iridium IX Spark Plugs - Box of 4 (LFR5AIX-11)

Unleash the full potential of your engine with the NGK Iridium IX Spark Plug set, featuring the LFR5AIX-11 model. This package includes four high-performance spark plugs, meticulously designed for enthusiasts seeking superior acceleration, improved fuel economy, and exceptional durability. The Iridium IX series utilizes an ultra-fine iridium center electrode, providing outstanding ignitability and resistance to wear, ensuring a powerful and consistent spark.

Key Features for Enhanced Performance:

  • Extreme Ignitability: The 0.6mm iridium center electrode offers a lower voltage requirement for sparking, resulting in a stronger, more reliable ignition.
  • Exceptional Durability: Iridium's extreme hardness ensures a long service life, maintaining optimal performance over time.
  • Improved Throttle Response: A tapered-cut ground electrode minimizes misfires and enhances throttle response for a smoother driving experience.
  • Anti-Fouling Properties: Designed to resist fouling, ensuring consistent performance even under demanding conditions.
  • Broad Vehicle Compatibility: Suitable for a wide range of vehicles, including various Infiniti, Nissan, and Chrysler models from the early 2000s to recent years.

These NGK Iridium IX spark plugs are engineered to elevate your driving experience. They are ideal for performance-oriented vehicles and drivers who demand the best from their ignition system. The advanced iridium alloy ensures a high melting point, making them perfect for today's demanding engine environments. Consider upgrading to NGK's Ruthenium HX plugs for even more advanced performance.

Achieve peak engine performance and efficiency with these top-tier NGK spark plugs. Add the NGK Iridium IX Spark Plug Box of 4 (LFR5AIX-11) to your vehicle's maintenance list. Shop now at GGCRACING for all your ignition needs.

Vehicle Fitment

Years Make Model Trim
2015-2017 Chrysler 200 C
2015-2017 Chrysler 200 Limited
2015-2017 Chrysler 200 LX
2015-2017 Chrysler 200 S
2009-2012 Chrysler 300 C
2010 Chrysler 300 S
2012 Chrysler 300 S
2014 Chrysler 300 C Luxury
2014-2020 Chrysler 300 S
2014-2020 Chrysler 300 C
2015-2017 Chrysler 300 C Platinum
2008-2009 Chrysler Aspen Limited
2009-2020 Dodge Challenger R/T
2012 Dodge Challenger R/T Classic
2015-2016 Dodge Challenger R/T Plus
2016 Dodge Challenger R/T Plus Shaker
2016 Dodge Challenger R/T Shaker
2017-2018 Dodge Challenger T/A
2009-2013 Dodge Charger SE
2009-2020 Dodge Charger R/T
2012-2020 Dodge Charger Pursuit
2015-2016 Dodge Charger R/T Road & Track
2017-2018 Dodge Charger Daytona
2008 Dodge Dakota SLT
2008 Dodge Dakota Sport
2008 Dodge Dakota SXT
2008 Dodge Dakota TRX
2008-2010 Dodge Dakota Laramie
2008-2010 Dodge Dakota TRX4
2009-2010 Dodge Dakota Big Horn
2009-2010 Dodge Dakota Lone Star
2013 Dodge Dart R/T
2013 Dodge Dart Rallye
2013-2016 Dodge Dart GT
2013-2016 Dodge Dart Limited
2013-2016 Dodge Dart SE
2013-2016 Dodge Dart SXT
2008 Dodge Durango Adventurer
2008 Dodge Durango SXT
2008-2009 Dodge Durango Limited
2008-2009 Dodge Durango SLT
2009 Dodge Durango SE
2011-2013 Dodge Durango Crew
2011-2020 Dodge Durango Citadel
2011-2020 Dodge Durango R/T
2012-2020 Dodge Durango Special Service
2014-2015 Dodge Durango Limited
2018-2020 Dodge Durango Pursuit
2008 Dodge Ram 1500 SXT
2008-2010 Dodge Ram 1500 SLT
2008-2010 Dodge Ram 1500 ST
2009-2010 Dodge Ram 1500 Sport
2009-2010 Dodge Ram 1500 TRX
2009-2010 Dodge Ram 1500 TRX4
2009-2010 Dodge Ram 1500 Laramie
2009-2010 Dodge Ram 2500 Laramie
2009-2010 Dodge Ram 2500 Power Wagon
2009-2010 Dodge Ram 2500 SLT
2009-2010 Dodge Ram 2500 ST
2009-2010 Dodge Ram 2500 SXT

…and 269 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Iridium IX Spark Plugs - Box of 4 (LFR5AIX-11)

Unleash the full potential of your engine with the NGK Iridium IX Spark Plug set, featuring the LFR5AIX-11 model. This package includes four high-performance spark plugs, meticulously designed for enthusiasts seeking superior acceleration, improved fuel economy, and exceptional durability. The Iridium IX series utilizes an ultra-fine iridium center electrode, providing outstanding ignitability and resistance to wear, ensuring a powerful and consistent spark.

Key Features for Enhanced Performance:

  • Extreme Ignitability: The 0.6mm iridium center electrode offers a lower voltage requirement for sparking, resulting in a stronger, more reliable ignition.
  • Exceptional Durability: Iridium's extreme hardness ensures a long service life, maintaining optimal performance over time.
  • Improved Throttle Response: A tapered-cut ground electrode minimizes misfires and enhances throttle response for a smoother driving experience.
  • Anti-Fouling Properties: Designed to resist fouling, ensuring consistent performance even under demanding conditions.
  • Broad Vehicle Compatibility: Suitable for a wide range of vehicles, including various Infiniti, Nissan, and Chrysler models from the early 2000s to recent years.

These NGK Iridium IX spark plugs are engineered to elevate your driving experience. They are ideal for performance-oriented vehicles and drivers who demand the best from their ignition system. The advanced iridium alloy ensures a high melting point, making them perfect for today's demanding engine environments. Consider upgrading to NGK's Ruthenium HX plugs for even more advanced performance.

Achieve peak engine performance and efficiency with these top-tier NGK spark plugs. Add the NGK Iridium IX Spark Plug Box of 4 (LFR5AIX-11) to your vehicle's maintenance list. Shop now at GGCRACING for all your ignition needs.

Vehicle Fitment

Years Make Model Trim
2015-2017 Chrysler 200 C
2015-2017 Chrysler 200 Limited
2015-2017 Chrysler 200 LX
2015-2017 Chrysler 200 S
2009-2012 Chrysler 300 C
2010 Chrysler 300 S
2012 Chrysler 300 S
2014 Chrysler 300 C Luxury
2014-2020 Chrysler 300 S
2014-2020 Chrysler 300 C
2015-2017 Chrysler 300 C Platinum
2008-2009 Chrysler Aspen Limited
2009-2020 Dodge Challenger R/T
2012 Dodge Challenger R/T Classic
2015-2016 Dodge Challenger R/T Plus
2016 Dodge Challenger R/T Plus Shaker
2016 Dodge Challenger R/T Shaker
2017-2018 Dodge Challenger T/A
2009-2013 Dodge Charger SE
2009-2020 Dodge Charger R/T
2012-2020 Dodge Charger Pursuit
2015-2016 Dodge Charger R/T Road & Track
2017-2018 Dodge Charger Daytona
2008 Dodge Dakota SLT
2008 Dodge Dakota Sport
2008 Dodge Dakota SXT
2008 Dodge Dakota TRX
2008-2010 Dodge Dakota Laramie
2008-2010 Dodge Dakota TRX4
2009-2010 Dodge Dakota Big Horn
2009-2010 Dodge Dakota Lone Star
2013 Dodge Dart R/T
2013 Dodge Dart Rallye
2013-2016 Dodge Dart GT
2013-2016 Dodge Dart Limited
2013-2016 Dodge Dart SE
2013-2016 Dodge Dart SXT
2008 Dodge Durango Adventurer
2008 Dodge Durango SXT
2008-2009 Dodge Durango Limited
2008-2009 Dodge Durango SLT
2009 Dodge Durango SE
2011-2013 Dodge Durango Crew
2011-2020 Dodge Durango Citadel
2011-2020 Dodge Durango R/T
2012-2020 Dodge Durango Special Service
2014-2015 Dodge Durango Limited
2018-2020 Dodge Durango Pursuit
2008 Dodge Ram 1500 SXT
2008-2010 Dodge Ram 1500 SLT
2008-2010 Dodge Ram 1500 ST
2009-2010 Dodge Ram 1500 Sport
2009-2010 Dodge Ram 1500 TRX
2009-2010 Dodge Ram 1500 TRX4
2009-2010 Dodge Ram 1500 Laramie
2009-2010 Dodge Ram 2500 Laramie
2009-2010 Dodge Ram 2500 Power Wagon
2009-2010 Dodge Ram 2500 SLT
2009-2010 Dodge Ram 2500 ST
2009-2010 Dodge Ram 2500 SXT

…and 269 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About NGK

NGK engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full NGK lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

NGK Iridium IX Spark Plugs - Box of 4 (LFR5AIX-11)

Unleash the full potential of your engine with the NGK Iridium IX Spark Plug set, featuring the LFR5AIX-11 model. This package includes four high-performance spark plugs, meticulously designed for enthusiasts seeking superior acceleration, improved fuel economy, and exceptional durability. The Iridium IX series utilizes an ultra-fine iridium center electrode, providing outstanding ignitability and resistance to wear, ensuring a powerful and consistent spark.

Key Features for Enhanced Performance:

  • Extreme Ignitability: The 0.6mm iridium center electrode offers a lower voltage requirement for sparking, resulting in a stronger, more reliable ignition.
  • Exceptional Durability: Iridium's extreme hardness ensures a long service life, maintaining optimal performance over time.
  • Improved Throttle Response: A tapered-cut ground electrode minimizes misfires and enhances throttle response for a smoother driving experience.
  • Anti-Fouling Properties: Designed to resist fouling, ensuring consistent performance even under demanding conditions.
  • Broad Vehicle Compatibility: Suitable for a wide range of vehicles, including various Infiniti, Nissan, and Chrysler models from the early 2000s to recent years.

These NGK Iridium IX spark plugs are engineered to elevate your driving experience. They are ideal for performance-oriented vehicles and drivers who demand the best from their ignition system. The advanced iridium alloy ensures a high melting point, making them perfect for today's demanding engine environments. Consider upgrading to NGK's Ruthenium HX plugs for even more advanced performance.

Achieve peak engine performance and efficiency with these top-tier NGK spark plugs. Add the NGK Iridium IX Spark Plug Box of 4 (LFR5AIX-11) to your vehicle's maintenance list. Shop now at GGCRACING for all your ignition needs.

Vehicle Fitment

Years Make Model Trim
2015-2017 Chrysler 200 C
2015-2017 Chrysler 200 Limited
2015-2017 Chrysler 200 LX
2015-2017 Chrysler 200 S
2009-2012 Chrysler 300 C
2010 Chrysler 300 S
2012 Chrysler 300 S
2014 Chrysler 300 C Luxury
2014-2020 Chrysler 300 S
2014-2020 Chrysler 300 C
2015-2017 Chrysler 300 C Platinum
2008-2009 Chrysler Aspen Limited
2009-2020 Dodge Challenger R/T
2012 Dodge Challenger R/T Classic
2015-2016 Dodge Challenger R/T Plus
2016 Dodge Challenger R/T Plus Shaker
2016 Dodge Challenger R/T Shaker
2017-2018 Dodge Challenger T/A
2009-2013 Dodge Charger SE
2009-2020 Dodge Charger R/T
2012-2020 Dodge Charger Pursuit
2015-2016 Dodge Charger R/T Road & Track
2017-2018 Dodge Charger Daytona
2008 Dodge Dakota SLT
2008 Dodge Dakota Sport
2008 Dodge Dakota SXT
2008 Dodge Dakota TRX
2008-2010 Dodge Dakota Laramie
2008-2010 Dodge Dakota TRX4
2009-2010 Dodge Dakota Big Horn
2009-2010 Dodge Dakota Lone Star
2013 Dodge Dart R/T
2013 Dodge Dart Rallye
2013-2016 Dodge Dart GT
2013-2016 Dodge Dart Limited
2013-2016 Dodge Dart SE
2013-2016 Dodge Dart SXT
2008 Dodge Durango Adventurer
2008 Dodge Durango SXT
2008-2009 Dodge Durango Limited
2008-2009 Dodge Durango SLT
2009 Dodge Durango SE
2011-2013 Dodge Durango Crew
2011-2020 Dodge Durango Citadel
2011-2020 Dodge Durango R/T
2012-2020 Dodge Durango Special Service
2014-2015 Dodge Durango Limited
2018-2020 Dodge Durango Pursuit
2008 Dodge Ram 1500 SXT
2008-2010 Dodge Ram 1500 SLT
2008-2010 Dodge Ram 1500 ST
2009-2010 Dodge Ram 1500 Sport
2009-2010 Dodge Ram 1500 TRX
2009-2010 Dodge Ram 1500 TRX4
2009-2010 Dodge Ram 1500 Laramie
2009-2010 Dodge Ram 2500 Laramie
2009-2010 Dodge Ram 2500 Power Wagon
2009-2010 Dodge Ram 2500 SLT
2009-2010 Dodge Ram 2500 ST
2009-2010 Dodge Ram 2500 SXT

…and 269 additional fitments. Contact us to confirm yours.

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