Holley Bypass Style Fuel Pressure Regulator — 4.5-9 PSI, 3/8" NPT, Chrome

SKU: BBVL_12-881
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About Holley Holley is the legendary American carburetor and fuel-injection ...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 Holley

Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.

Watch in action

Reliable Fuel Delivery with the Holley Bypass Style Fuel Pressure Regulator

Ensure your carbureted engine receives consistent and stable fuel pressure with the Holley Bypass Style Fuel Pressure Regulator. Designed for applications requiring lower pressure ranges, this regulator is adjustable from 4.5 to 9 PSI, making it perfect for a wide variety of carbureted setups. The bypass design is crucial for preventing fuel pump cavitation and maintaining a steady pressure, even with varying engine demands, contributing to smoother engine operation and improved throttle response. Its classic chrome finish adds a touch of style under the hood.

Key Features for Carbureted Systems:

  • Adjustable Pressure Range: Fine-tune your fuel pressure from 4-1/2 to 9 PSI to perfectly match your carburetor's requirements.
  • Bypass Design: Efficiently returns excess fuel to the tank, ensuring consistent pressure and extending fuel pump life.
  • Durable Die-Cast Construction: Made from robust aluminum with a brilliant chrome finish for both longevity and aesthetic appeal.
  • Standard 3/8" NPT Ports: Features 3/8 inch NPT inlet, outlet, and return ports for straightforward plumbing.
  • Integrated Gauge Port: Includes a 1/8 inch NPT port, allowing for easy installation of a fuel pressure gauge for monitoring.
  • Gasoline Specific: Optimized for reliable performance with gasoline fuels.

This Holley bypass regulator is an in-line unit, simplifying installation into your existing fuel system. Its ability to maintain a precise and consistent fuel pressure is vital for preventing lean conditions, ensuring optimal fuel atomization, and maximizing the efficiency of your carbureted engine. Choose the Holley Bypass Style Fuel Pressure Regulator for dependable fuel management and a classic look from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Holley

Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.

Watch in action

Reliable Fuel Delivery with the Holley Bypass Style Fuel Pressure Regulator

Ensure your carbureted engine receives consistent and stable fuel pressure with the Holley Bypass Style Fuel Pressure Regulator. Designed for applications requiring lower pressure ranges, this regulator is adjustable from 4.5 to 9 PSI, making it perfect for a wide variety of carbureted setups. The bypass design is crucial for preventing fuel pump cavitation and maintaining a steady pressure, even with varying engine demands, contributing to smoother engine operation and improved throttle response. Its classic chrome finish adds a touch of style under the hood.

Key Features for Carbureted Systems:

  • Adjustable Pressure Range: Fine-tune your fuel pressure from 4-1/2 to 9 PSI to perfectly match your carburetor's requirements.
  • Bypass Design: Efficiently returns excess fuel to the tank, ensuring consistent pressure and extending fuel pump life.
  • Durable Die-Cast Construction: Made from robust aluminum with a brilliant chrome finish for both longevity and aesthetic appeal.
  • Standard 3/8" NPT Ports: Features 3/8 inch NPT inlet, outlet, and return ports for straightforward plumbing.
  • Integrated Gauge Port: Includes a 1/8 inch NPT port, allowing for easy installation of a fuel pressure gauge for monitoring.
  • Gasoline Specific: Optimized for reliable performance with gasoline fuels.

This Holley bypass regulator is an in-line unit, simplifying installation into your existing fuel system. Its ability to maintain a precise and consistent fuel pressure is vital for preventing lean conditions, ensuring optimal fuel atomization, and maximizing the efficiency of your carbureted engine. Choose the Holley Bypass Style Fuel Pressure Regulator for dependable fuel management and a classic look from GGCRACING.

Product Details

Product Description

About Holley

Holley is the legendary American carburetor and fuel-injection brand — over 100 years of induction history. From the iconic 4150 four-barrel to today's Sniper EFI conversions, Holley remains the choice for muscle car restorations, Pro Mod, and gasser builds.

Watch in action

Reliable Fuel Delivery with the Holley Bypass Style Fuel Pressure Regulator

Ensure your carbureted engine receives consistent and stable fuel pressure with the Holley Bypass Style Fuel Pressure Regulator. Designed for applications requiring lower pressure ranges, this regulator is adjustable from 4.5 to 9 PSI, making it perfect for a wide variety of carbureted setups. The bypass design is crucial for preventing fuel pump cavitation and maintaining a steady pressure, even with varying engine demands, contributing to smoother engine operation and improved throttle response. Its classic chrome finish adds a touch of style under the hood.

Key Features for Carbureted Systems:

  • Adjustable Pressure Range: Fine-tune your fuel pressure from 4-1/2 to 9 PSI to perfectly match your carburetor's requirements.
  • Bypass Design: Efficiently returns excess fuel to the tank, ensuring consistent pressure and extending fuel pump life.
  • Durable Die-Cast Construction: Made from robust aluminum with a brilliant chrome finish for both longevity and aesthetic appeal.
  • Standard 3/8" NPT Ports: Features 3/8 inch NPT inlet, outlet, and return ports for straightforward plumbing.
  • Integrated Gauge Port: Includes a 1/8 inch NPT port, allowing for easy installation of a fuel pressure gauge for monitoring.
  • Gasoline Specific: Optimized for reliable performance with gasoline fuels.

This Holley bypass regulator is an in-line unit, simplifying installation into your existing fuel system. Its ability to maintain a precise and consistent fuel pressure is vital for preventing lean conditions, ensuring optimal fuel atomization, and maximizing the efficiency of your carbureted engine. Choose the Holley Bypass Style Fuel Pressure Regulator for dependable fuel management and a classic look from GGCRACING.

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