HKS Supercharger Pulley Upgrade Kit — High-Performance Boost Adjustment

SKU: HKS12002-KK001
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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

Optimize Boost Levels with HKS Pulley Upgrades

Take control of your forced induction setup with the HKS Supercharger Pulley Upgrade Kit. Designed for enthusiasts who want to fine-tune their boost pressure, this kit allows for precise adjustments to the supercharger drive ratio. By changing the pulley diameter, you can effectively increase the RPM of the supercharger, resulting in higher boost levels and increased horsepower output. HKS manufactures these pulleys from high-grade materials to ensure they withstand the high-stress environment of a performance engine bay.

Performance Advantages

  • Allows for customized boost pressure tuning
  • Precision-machined for perfect belt alignment
  • High-durability construction for long-term use
  • Reduces belt slip under high-load conditions
  • Essential component for advanced engine builds
  • Direct fitment for compatible HKS supercharger systems

Upgrading your pulley is one of the most effective ways to extract more power from your existing supercharger setup. However, it is important to ensure that your engine management and fueling systems are adjusted accordingly to handle the increased airflow. Elevate your vehicle's performance capabilities with this essential hardware upgrade available through 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

Optimize Boost Levels with HKS Pulley Upgrades

Take control of your forced induction setup with the HKS Supercharger Pulley Upgrade Kit. Designed for enthusiasts who want to fine-tune their boost pressure, this kit allows for precise adjustments to the supercharger drive ratio. By changing the pulley diameter, you can effectively increase the RPM of the supercharger, resulting in higher boost levels and increased horsepower output. HKS manufactures these pulleys from high-grade materials to ensure they withstand the high-stress environment of a performance engine bay.

Performance Advantages

  • Allows for customized boost pressure tuning
  • Precision-machined for perfect belt alignment
  • High-durability construction for long-term use
  • Reduces belt slip under high-load conditions
  • Essential component for advanced engine builds
  • Direct fitment for compatible HKS supercharger systems

Upgrading your pulley is one of the most effective ways to extract more power from your existing supercharger setup. However, it is important to ensure that your engine management and fueling systems are adjusted accordingly to handle the increased airflow. Elevate your vehicle's performance capabilities with this essential hardware upgrade available through 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

Optimize Boost Levels with HKS Pulley Upgrades

Take control of your forced induction setup with the HKS Supercharger Pulley Upgrade Kit. Designed for enthusiasts who want to fine-tune their boost pressure, this kit allows for precise adjustments to the supercharger drive ratio. By changing the pulley diameter, you can effectively increase the RPM of the supercharger, resulting in higher boost levels and increased horsepower output. HKS manufactures these pulleys from high-grade materials to ensure they withstand the high-stress environment of a performance engine bay.

Performance Advantages

  • Allows for customized boost pressure tuning
  • Precision-machined for perfect belt alignment
  • High-durability construction for long-term use
  • Reduces belt slip under high-load conditions
  • Essential component for advanced engine builds
  • Direct fitment for compatible HKS supercharger systems

Upgrading your pulley is one of the most effective ways to extract more power from your existing supercharger setup. However, it is important to ensure that your engine management and fueling systems are adjusted accordingly to handle the increased airflow. Elevate your vehicle's performance capabilities with this essential hardware upgrade available through GGCRACING.

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