HKS Super Fire Racing MR45XLZ Iridium Spark Plug — Performance Ignition Upgrade

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SKU: HKS50003-MR45XLZ
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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

Unlock Peak Performance with HKS Super Fire Racing MR45XLZ

The HKS Super Fire Racing MR45XLZ spark plug is engineered for high-output engines that demand consistent, reliable ignition under extreme pressure. Designed with advanced materials to handle high-boost environments, these plugs ensure stable combustion even at high RPMs. Whether you are hitting the track or building a high-performance street machine, HKS delivers the precision needed for optimal power delivery.

Key Features and Benefits

  • Iridium Alloy Center Electrode: Provides superior heat resistance and durability compared to standard plugs.
  • Anti-Fouling Design: Engineered to prevent carbon buildup, ensuring a crisp spark every time.
  • High-Dielectric Ceramic: Minimizes electrical leakage and improves overall ignition stability.
  • Optimized Heat Range: Specifically calibrated for modified engines to prevent pre-ignition and knocking.

By upgrading to the MR45XLZ, you are investing in the longevity and responsiveness of your engine. These plugs are a must-have for tuners looking to push their vehicle to the next level of performance. Experience the difference in throttle response and smooth power delivery that only professional-grade ignition components can provide. For all your high-performance tuning needs, trust the experts 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

Unlock Peak Performance with HKS Super Fire Racing MR45XLZ

The HKS Super Fire Racing MR45XLZ spark plug is engineered for high-output engines that demand consistent, reliable ignition under extreme pressure. Designed with advanced materials to handle high-boost environments, these plugs ensure stable combustion even at high RPMs. Whether you are hitting the track or building a high-performance street machine, HKS delivers the precision needed for optimal power delivery.

Key Features and Benefits

  • Iridium Alloy Center Electrode: Provides superior heat resistance and durability compared to standard plugs.
  • Anti-Fouling Design: Engineered to prevent carbon buildup, ensuring a crisp spark every time.
  • High-Dielectric Ceramic: Minimizes electrical leakage and improves overall ignition stability.
  • Optimized Heat Range: Specifically calibrated for modified engines to prevent pre-ignition and knocking.

By upgrading to the MR45XLZ, you are investing in the longevity and responsiveness of your engine. These plugs are a must-have for tuners looking to push their vehicle to the next level of performance. Experience the difference in throttle response and smooth power delivery that only professional-grade ignition components can provide. For all your high-performance tuning needs, trust the experts 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

Unlock Peak Performance with HKS Super Fire Racing MR45XLZ

The HKS Super Fire Racing MR45XLZ spark plug is engineered for high-output engines that demand consistent, reliable ignition under extreme pressure. Designed with advanced materials to handle high-boost environments, these plugs ensure stable combustion even at high RPMs. Whether you are hitting the track or building a high-performance street machine, HKS delivers the precision needed for optimal power delivery.

Key Features and Benefits

  • Iridium Alloy Center Electrode: Provides superior heat resistance and durability compared to standard plugs.
  • Anti-Fouling Design: Engineered to prevent carbon buildup, ensuring a crisp spark every time.
  • High-Dielectric Ceramic: Minimizes electrical leakage and improves overall ignition stability.
  • Optimized Heat Range: Specifically calibrated for modified engines to prevent pre-ignition and knocking.

By upgrading to the MR45XLZ, you are investing in the longevity and responsiveness of your engine. These plugs are a must-have for tuners looking to push their vehicle to the next level of performance. Experience the difference in throttle response and smooth power delivery that only professional-grade ignition components can provide. For all your high-performance tuning needs, trust the experts at GGCRACING.

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