Fluidyne High Pressure Radiator Cap 38-42 PSI Octagon Style — Standard Neck

SKU: BHXD_CAP.FHP32001-HP
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About Fluidyne Fluidyne engineers high-quality automotive parts and accessories trusted ...Read More

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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 Fluidyne

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

High-Pressure Cooling Performance

Ensure your high-performance cooling system operates at peak efficiency with the Fluidyne 38-42 PSI High Pressure Radiator Cap. Designed for demanding racing environments, this cap is engineered to maintain consistent pressure, preventing coolant boiling and cavitation under extreme thermal loads. Its robust octagon design allows for easy removal and installation, even when wearing gloves in the pits.

Key Features and Benefits

  • Pressure Rating: Specifically calibrated for 38-42 PSI to support high-performance cooling demands.
  • Universal Fit: Compatible with standard size radiator necks found in most racing and custom applications.
  • Durable Construction: Built to withstand the rigors of competitive track use and high-vibration environments.
  • Reliable Sealing: High-quality gasket material ensures a leak-free seal to maintain system integrity.

Whether you are building a custom drag car or upgrading your circuit racer, managing system pressure is critical to preventing engine overheating. This Fluidyne cap provides the reliability needed to push your engine to the limit without compromising cooling performance. The octagon shape provides superior grip, making it a favorite among professional mechanics and enthusiasts alike. Trust your cooling system components to GGCRACING for your next build.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fluidyne

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

High-Pressure Cooling Performance

Ensure your high-performance cooling system operates at peak efficiency with the Fluidyne 38-42 PSI High Pressure Radiator Cap. Designed for demanding racing environments, this cap is engineered to maintain consistent pressure, preventing coolant boiling and cavitation under extreme thermal loads. Its robust octagon design allows for easy removal and installation, even when wearing gloves in the pits.

Key Features and Benefits

  • Pressure Rating: Specifically calibrated for 38-42 PSI to support high-performance cooling demands.
  • Universal Fit: Compatible with standard size radiator necks found in most racing and custom applications.
  • Durable Construction: Built to withstand the rigors of competitive track use and high-vibration environments.
  • Reliable Sealing: High-quality gasket material ensures a leak-free seal to maintain system integrity.

Whether you are building a custom drag car or upgrading your circuit racer, managing system pressure is critical to preventing engine overheating. This Fluidyne cap provides the reliability needed to push your engine to the limit without compromising cooling performance. The octagon shape provides superior grip, making it a favorite among professional mechanics and enthusiasts alike. Trust your cooling system components to GGCRACING for your next build.

Product Details

Product Description

About Fluidyne

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

High-Pressure Cooling Performance

Ensure your high-performance cooling system operates at peak efficiency with the Fluidyne 38-42 PSI High Pressure Radiator Cap. Designed for demanding racing environments, this cap is engineered to maintain consistent pressure, preventing coolant boiling and cavitation under extreme thermal loads. Its robust octagon design allows for easy removal and installation, even when wearing gloves in the pits.

Key Features and Benefits

  • Pressure Rating: Specifically calibrated for 38-42 PSI to support high-performance cooling demands.
  • Universal Fit: Compatible with standard size radiator necks found in most racing and custom applications.
  • Durable Construction: Built to withstand the rigors of competitive track use and high-vibration environments.
  • Reliable Sealing: High-quality gasket material ensures a leak-free seal to maintain system integrity.

Whether you are building a custom drag car or upgrading your circuit racer, managing system pressure is critical to preventing engine overheating. This Fluidyne cap provides the reliability needed to push your engine to the limit without compromising cooling performance. The octagon shape provides superior grip, making it a favorite among professional mechanics and enthusiasts alike. Trust your cooling system components to GGCRACING for your next build.

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