Holley Power Valve 5.5 HG Standard Flow Single Stage — Carburetor Tuning Component

SKU: BBVL_125-55
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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

Holley 5.5 Power Valve: Optimized Fuel Delivery

Maintain optimal engine performance with the Holley 5.5 Power Valve. This high-quality, standard flow, single-stage power valve is designed to provide the perfect amount of fuel enrichment when your engine vacuum drops under load. Whether you are fine-tuning for the street or the strip, this component is essential for achieving a smooth transition and maximum power output.

Technical Advantages

  • Vacuum Rating: 5.5 in Hg for precise enrichment activation
  • Configuration: Standard flow, two-door, single-stage design
  • Compatibility: Fits a wide array of Holley performance carburetors
  • Included: Comes with a gasket for a quick, leak-free install
  • Reliability: Engineered for consistent performance under stress

The power valve is critical for managing your air-fuel ratio. A 5.5 rating is often the ideal choice for engines with moderate cam profiles, ensuring that the engine receives the enrichment it needs exactly when the vacuum drops during acceleration. By preventing lean conditions, this valve protects your engine and improves throttle response. Holley is known worldwide for their carburetor expertise, and this power valve is no exception, offering the durability and precision that enthusiasts demand. Don't settle for generic parts when you can use genuine Holley components to keep your fuel system running at its peak. Enhance your vehicle's performance and reliability today with parts 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

Holley 5.5 Power Valve: Optimized Fuel Delivery

Maintain optimal engine performance with the Holley 5.5 Power Valve. This high-quality, standard flow, single-stage power valve is designed to provide the perfect amount of fuel enrichment when your engine vacuum drops under load. Whether you are fine-tuning for the street or the strip, this component is essential for achieving a smooth transition and maximum power output.

Technical Advantages

  • Vacuum Rating: 5.5 in Hg for precise enrichment activation
  • Configuration: Standard flow, two-door, single-stage design
  • Compatibility: Fits a wide array of Holley performance carburetors
  • Included: Comes with a gasket for a quick, leak-free install
  • Reliability: Engineered for consistent performance under stress

The power valve is critical for managing your air-fuel ratio. A 5.5 rating is often the ideal choice for engines with moderate cam profiles, ensuring that the engine receives the enrichment it needs exactly when the vacuum drops during acceleration. By preventing lean conditions, this valve protects your engine and improves throttle response. Holley is known worldwide for their carburetor expertise, and this power valve is no exception, offering the durability and precision that enthusiasts demand. Don't settle for generic parts when you can use genuine Holley components to keep your fuel system running at its peak. Enhance your vehicle's performance and reliability today with parts 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

Holley 5.5 Power Valve: Optimized Fuel Delivery

Maintain optimal engine performance with the Holley 5.5 Power Valve. This high-quality, standard flow, single-stage power valve is designed to provide the perfect amount of fuel enrichment when your engine vacuum drops under load. Whether you are fine-tuning for the street or the strip, this component is essential for achieving a smooth transition and maximum power output.

Technical Advantages

  • Vacuum Rating: 5.5 in Hg for precise enrichment activation
  • Configuration: Standard flow, two-door, single-stage design
  • Compatibility: Fits a wide array of Holley performance carburetors
  • Included: Comes with a gasket for a quick, leak-free install
  • Reliability: Engineered for consistent performance under stress

The power valve is critical for managing your air-fuel ratio. A 5.5 rating is often the ideal choice for engines with moderate cam profiles, ensuring that the engine receives the enrichment it needs exactly when the vacuum drops during acceleration. By preventing lean conditions, this valve protects your engine and improves throttle response. Holley is known worldwide for their carburetor expertise, and this power valve is no exception, offering the durability and precision that enthusiasts demand. Don't settle for generic parts when you can use genuine Holley components to keep your fuel system running at its peak. Enhance your vehicle's performance and reliability today with parts from GGCRACING.

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