NGK TR7IX IX Iridium Spark Plug Box of 4 - Fits Cadillac STS, XLR

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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.

NGK TR7IX IX Iridium Spark Plugs

NGK Iridium IX spark plugs are meticulously engineered for the performance enthusiast, delivering outstanding acceleration, improved fuel efficiency, and exceptional durability. These plugs provide extreme ignitability and superior anti-fouling properties, ensuring your engine runs cleaner and stronger. The fine-wire iridium center electrode is incredibly durable, boasting a hardness six times greater than platinum, making it ideal for the high demands of modern engines. The iridium alloy's extremely high melting point further enhances its suitability for performance applications.

Experience Enhanced Performance:

  • Iridium IX Technology: Features a 0.6mm iridium fine wire center electrode for superior ignitability and performance.
  • Extreme Durability: Iridium alloy offers exceptional resistance to wear and high temperatures.
  • Tapered Ground Electrode: The specially designed tapered cut ground electrode improves starting, idling, and throttle response.
  • High Fuel Efficiency: Optimized combustion contributes to better fuel economy.
  • Anti-Fouling Properties: Reduces the likelihood of plug fouling, ensuring consistent performance.

The NGK TR7IX Iridium IX spark plug is the perfect upgrade for high-performance vehicles. It's specifically designed to fit Cadillac STS V and XLR V models from 2006 to 2009. For even greater performance potential, consider exploring NGK's Ruthenium HX plugs.

Elevate your driving experience with NGK Iridium IX Spark Plugs from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2009 Cadillac STS V
2006-2009 Cadillac XLR V

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.

NGK TR7IX IX Iridium Spark Plugs

NGK Iridium IX spark plugs are meticulously engineered for the performance enthusiast, delivering outstanding acceleration, improved fuel efficiency, and exceptional durability. These plugs provide extreme ignitability and superior anti-fouling properties, ensuring your engine runs cleaner and stronger. The fine-wire iridium center electrode is incredibly durable, boasting a hardness six times greater than platinum, making it ideal for the high demands of modern engines. The iridium alloy's extremely high melting point further enhances its suitability for performance applications.

Experience Enhanced Performance:

  • Iridium IX Technology: Features a 0.6mm iridium fine wire center electrode for superior ignitability and performance.
  • Extreme Durability: Iridium alloy offers exceptional resistance to wear and high temperatures.
  • Tapered Ground Electrode: The specially designed tapered cut ground electrode improves starting, idling, and throttle response.
  • High Fuel Efficiency: Optimized combustion contributes to better fuel economy.
  • Anti-Fouling Properties: Reduces the likelihood of plug fouling, ensuring consistent performance.

The NGK TR7IX Iridium IX spark plug is the perfect upgrade for high-performance vehicles. It's specifically designed to fit Cadillac STS V and XLR V models from 2006 to 2009. For even greater performance potential, consider exploring NGK's Ruthenium HX plugs.

Elevate your driving experience with NGK Iridium IX Spark Plugs from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2009 Cadillac STS V
2006-2009 Cadillac XLR V

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.

NGK TR7IX IX Iridium Spark Plugs

NGK Iridium IX spark plugs are meticulously engineered for the performance enthusiast, delivering outstanding acceleration, improved fuel efficiency, and exceptional durability. These plugs provide extreme ignitability and superior anti-fouling properties, ensuring your engine runs cleaner and stronger. The fine-wire iridium center electrode is incredibly durable, boasting a hardness six times greater than platinum, making it ideal for the high demands of modern engines. The iridium alloy's extremely high melting point further enhances its suitability for performance applications.

Experience Enhanced Performance:

  • Iridium IX Technology: Features a 0.6mm iridium fine wire center electrode for superior ignitability and performance.
  • Extreme Durability: Iridium alloy offers exceptional resistance to wear and high temperatures.
  • Tapered Ground Electrode: The specially designed tapered cut ground electrode improves starting, idling, and throttle response.
  • High Fuel Efficiency: Optimized combustion contributes to better fuel economy.
  • Anti-Fouling Properties: Reduces the likelihood of plug fouling, ensuring consistent performance.

The NGK TR7IX Iridium IX spark plug is the perfect upgrade for high-performance vehicles. It's specifically designed to fit Cadillac STS V and XLR V models from 2006 to 2009. For even greater performance potential, consider exploring NGK's Ruthenium HX plugs.

Elevate your driving experience with NGK Iridium IX Spark Plugs from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2009 Cadillac STS V
2006-2009 Cadillac XLR V

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