NGK R5671A-7 Racing Spark Plug — Box of 4

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SKU: NGK4091
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Sale price$27.04 Regular price$28.84
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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 R5671A-7 Racing Spark Plugs: Engineered for Victory

Dominate the competition with NGK R5671A-7 Racing Spark Plugs, meticulously designed to withstand the most demanding racing conditions. NGK's legacy in motorsports is unparalleled, and these racing plugs are a testament to that heritage, providing the extreme ignitability and durability required to win. Whether you're competing in drag racing, road racing, or any high-stakes motorsport event, trust NGK to deliver championship-winning performance.

Unleash Maximum Power and Reliability:

  • Extreme Conditions: Built to endure the intense heat, pressure, and vibration encountered in professional racing environments.
  • Enhanced Ignitability: Special center electrode designs ensure a powerful, consistent spark, critical for maximizing power output and throttle response under extreme load.
  • Wide Heat Range Options: Available in a variety of heat ranges to precisely match the demands of different racing engines and applications.
  • Superior Durability: Constructed with high-quality materials to resist fouling and erosion, ensuring reliable performance lap after lap, pass after pass.
  • Proven Racing Technology: Benefit from the same technology that powers countless racing champions worldwide.

The NGK R5671A-7 is engineered for racers who demand the absolute best. Its robust construction and advanced design provide the reliability and performance needed to push your vehicle to its limits. Equip your race car with the confidence that comes from using NGK's elite racing spark plugs. Find your competitive edge at GGCRACING.

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 R5671A-7 Racing Spark Plugs: Engineered for Victory

Dominate the competition with NGK R5671A-7 Racing Spark Plugs, meticulously designed to withstand the most demanding racing conditions. NGK's legacy in motorsports is unparalleled, and these racing plugs are a testament to that heritage, providing the extreme ignitability and durability required to win. Whether you're competing in drag racing, road racing, or any high-stakes motorsport event, trust NGK to deliver championship-winning performance.

Unleash Maximum Power and Reliability:

  • Extreme Conditions: Built to endure the intense heat, pressure, and vibration encountered in professional racing environments.
  • Enhanced Ignitability: Special center electrode designs ensure a powerful, consistent spark, critical for maximizing power output and throttle response under extreme load.
  • Wide Heat Range Options: Available in a variety of heat ranges to precisely match the demands of different racing engines and applications.
  • Superior Durability: Constructed with high-quality materials to resist fouling and erosion, ensuring reliable performance lap after lap, pass after pass.
  • Proven Racing Technology: Benefit from the same technology that powers countless racing champions worldwide.

The NGK R5671A-7 is engineered for racers who demand the absolute best. Its robust construction and advanced design provide the reliability and performance needed to push your vehicle to its limits. Equip your race car with the confidence that comes from using NGK's elite racing spark plugs. Find your competitive edge at GGCRACING.

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 R5671A-7 Racing Spark Plugs: Engineered for Victory

Dominate the competition with NGK R5671A-7 Racing Spark Plugs, meticulously designed to withstand the most demanding racing conditions. NGK's legacy in motorsports is unparalleled, and these racing plugs are a testament to that heritage, providing the extreme ignitability and durability required to win. Whether you're competing in drag racing, road racing, or any high-stakes motorsport event, trust NGK to deliver championship-winning performance.

Unleash Maximum Power and Reliability:

  • Extreme Conditions: Built to endure the intense heat, pressure, and vibration encountered in professional racing environments.
  • Enhanced Ignitability: Special center electrode designs ensure a powerful, consistent spark, critical for maximizing power output and throttle response under extreme load.
  • Wide Heat Range Options: Available in a variety of heat ranges to precisely match the demands of different racing engines and applications.
  • Superior Durability: Constructed with high-quality materials to resist fouling and erosion, ensuring reliable performance lap after lap, pass after pass.
  • Proven Racing Technology: Benefit from the same technology that powers countless racing champions worldwide.

The NGK R5671A-7 is engineered for racers who demand the absolute best. Its robust construction and advanced design provide the reliability and performance needed to push your vehicle to its limits. Equip your race car with the confidence that comes from using NGK's elite racing spark plugs. Find your competitive edge at GGCRACING.

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