NGK Iridium IX Spark Plug BKR6EIX (Box of 4) — Fits Audi, BMW, Alfa Romeo & More

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SKU: NGK6418

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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

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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

Unleash Peak Performance with NGK Iridium IX Spark Plugs

Experience a significant upgrade in your vehicle's ignition system with the NGK Iridium IX BKR6EIX spark plugs. Engineered for the performance enthusiast, these plugs deliver outstanding acceleration, improved fuel efficiency, and exceptional durability, making them ideal for a wide range of European vehicles including select Audi, BMW, and Alfa Romeo models.

Advanced Iridium Technology for Superior Ignition

  • Extreme Ignitability: The fine wire Iridium center electrode ensures a powerful, consistent spark for optimal combustion.
  • Enhanced Durability: Iridium alloy is six times harder than platinum, offering extended plug life and reliability.
  • Optimized Response: A tapered cut ground electrode provides quicker starts, smoother idling, and sharper throttle response.
  • Anti-Fouling Properties: Designed to resist carbon buildup, maintaining peak performance over time.

Perfect for today's high-performance engines, the NGK Iridium IX BKR6EIX spark plugs are a direct fit for many applications. For even greater performance, consider exploring NGK Ruthenium HX plugs. Elevate your driving experience with GGCRACING.

…and 320 additional fitments. Contact us to confirm yours.

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

Unleash Peak Performance with NGK Iridium IX Spark Plugs

Experience a significant upgrade in your vehicle's ignition system with the NGK Iridium IX BKR6EIX spark plugs. Engineered for the performance enthusiast, these plugs deliver outstanding acceleration, improved fuel efficiency, and exceptional durability, making them ideal for a wide range of European vehicles including select Audi, BMW, and Alfa Romeo models.

Advanced Iridium Technology for Superior Ignition

  • Extreme Ignitability: The fine wire Iridium center electrode ensures a powerful, consistent spark for optimal combustion.
  • Enhanced Durability: Iridium alloy is six times harder than platinum, offering extended plug life and reliability.
  • Optimized Response: A tapered cut ground electrode provides quicker starts, smoother idling, and sharper throttle response.
  • Anti-Fouling Properties: Designed to resist carbon buildup, maintaining peak performance over time.

Perfect for today's high-performance engines, the NGK Iridium IX BKR6EIX spark plugs are a direct fit for many applications. For even greater performance, consider exploring NGK Ruthenium HX plugs. Elevate your driving experience with GGCRACING.

…and 320 additional fitments. Contact us to confirm yours.

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