HKS SUPER FIRE RACING M40 Spark Plug

SKU: HKS50003-M40
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Sale price$283.50
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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 HKS

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

Watch in action

Ignite Performance with the HKS SUPER FIRE RACING M40 Spark Plug

Experience the pinnacle of ignition technology with the HKS SUPER FIRE RACING M40 Spark Plug. Engineered by HKS, a renowned leader in automotive performance parts, this spark plug is designed to deliver superior ignition performance, reliability, and durability for a wide range of vehicles. The M40 features a special iridium alloy tip, offering exceptional resistance to wear and a lower required voltage for a stronger spark, leading to improved combustion efficiency and power output.

Why Choose HKS SUPER FIRE RACING Spark Plugs?

  • Enhanced Ignition Performance: The advanced design ensures a powerful and consistent spark, promoting more complete fuel combustion for increased horsepower and torque.
  • Superior Durability: Constructed with high-quality materials, including an iridium center electrode, these plugs offer extended service life even under demanding driving conditions.
  • Improved Fuel Efficiency: More efficient combustion can lead to better fuel economy, making these plugs a smart choice for both performance and economy.
  • Reduced Misfires: The robust design and precise manufacturing minimize the risk of misfires, ensuring smooth engine operation and optimal power delivery.
  • Wide Application Range: Suitable for various performance applications, from street tuning to track days, providing reliable ignition performance.
  • HKS Quality: Trust in the legacy of HKS, known for producing high-quality, performance-driven automotive components.

Upgrade your ignition system with the HKS SUPER FIRE RACING M40 Spark Plug and feel the difference in your engine's responsiveness and power. Ensure your vehicle is performing at its best with this premium spark plug. Find it and other top-tier performance parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About HKS

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

Watch in action

Ignite Performance with the HKS SUPER FIRE RACING M40 Spark Plug

Experience the pinnacle of ignition technology with the HKS SUPER FIRE RACING M40 Spark Plug. Engineered by HKS, a renowned leader in automotive performance parts, this spark plug is designed to deliver superior ignition performance, reliability, and durability for a wide range of vehicles. The M40 features a special iridium alloy tip, offering exceptional resistance to wear and a lower required voltage for a stronger spark, leading to improved combustion efficiency and power output.

Why Choose HKS SUPER FIRE RACING Spark Plugs?

  • Enhanced Ignition Performance: The advanced design ensures a powerful and consistent spark, promoting more complete fuel combustion for increased horsepower and torque.
  • Superior Durability: Constructed with high-quality materials, including an iridium center electrode, these plugs offer extended service life even under demanding driving conditions.
  • Improved Fuel Efficiency: More efficient combustion can lead to better fuel economy, making these plugs a smart choice for both performance and economy.
  • Reduced Misfires: The robust design and precise manufacturing minimize the risk of misfires, ensuring smooth engine operation and optimal power delivery.
  • Wide Application Range: Suitable for various performance applications, from street tuning to track days, providing reliable ignition performance.
  • HKS Quality: Trust in the legacy of HKS, known for producing high-quality, performance-driven automotive components.

Upgrade your ignition system with the HKS SUPER FIRE RACING M40 Spark Plug and feel the difference in your engine's responsiveness and power. Ensure your vehicle is performing at its best with this premium spark plug. Find it and other top-tier performance parts at GGCRACING.

Product Details

Product Description

About HKS

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

Watch in action

Ignite Performance with the HKS SUPER FIRE RACING M40 Spark Plug

Experience the pinnacle of ignition technology with the HKS SUPER FIRE RACING M40 Spark Plug. Engineered by HKS, a renowned leader in automotive performance parts, this spark plug is designed to deliver superior ignition performance, reliability, and durability for a wide range of vehicles. The M40 features a special iridium alloy tip, offering exceptional resistance to wear and a lower required voltage for a stronger spark, leading to improved combustion efficiency and power output.

Why Choose HKS SUPER FIRE RACING Spark Plugs?

  • Enhanced Ignition Performance: The advanced design ensures a powerful and consistent spark, promoting more complete fuel combustion for increased horsepower and torque.
  • Superior Durability: Constructed with high-quality materials, including an iridium center electrode, these plugs offer extended service life even under demanding driving conditions.
  • Improved Fuel Efficiency: More efficient combustion can lead to better fuel economy, making these plugs a smart choice for both performance and economy.
  • Reduced Misfires: The robust design and precise manufacturing minimize the risk of misfires, ensuring smooth engine operation and optimal power delivery.
  • Wide Application Range: Suitable for various performance applications, from street tuning to track days, providing reliable ignition performance.
  • HKS Quality: Trust in the legacy of HKS, known for producing high-quality, performance-driven automotive components.

Upgrade your ignition system with the HKS SUPER FIRE RACING M40 Spark Plug and feel the difference in your engine's responsiveness and power. Ensure your vehicle is performing at its best with this premium spark plug. Find it and other top-tier performance parts at GGCRACING.

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