Holley Power Valve 4.5 HG Standard Flow Single Stage for Holley 125-45

Part # 125-45 SKU HLY125-45

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$36.99
In stock, ships from a US warehouse
SKU: HLY125-45
UPC: 090127023358
Width: 4.00 (in)
Height: 5.00 (in)
Depth: 1.00 (in)
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Free, US only. Arrives in 2–4 days.
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Highlights

Type
Power Valve
Material
Steel
Activation vacuum
4.5 HG
Number of doors
2
Number of stages
1
Fuel type
Alcohol
Gasket included
Yes
Gasket material
Compressed Fiber

Description

Holley Power Valve 4.5 HG Standard Flow Single Stage for Holley 125-45

The Holley Power Valve 4.5 HG is a crucial component engineered specifically for Holley carburetors, particularly suited for models identified as Holley 125-45. This power valve integrates seamlessly to enhance the performance and reliability of your carburetor setup, allowing for smoother operation under varying conditions. Its 4.5 HG rating signifies the level of vacuum at which the power valve opens, optimizing fuel delivery to the engine based on demand and thus ensuring a more responsive throttle.

This performance-oriented design not only improves fuel atomization but also contributes to better fuel efficiency and engine performance. The standard flow design is beneficial for various applications, especially for those focusing on street performance or light racing scenarios. By utilizing this power valve, automotive enthusiasts can achieve optimal air-fuel ratios and improve overall engine efficiency while driving.

FITMENT: This power valve is specifically designed to be compatible with Holley carburetors, particularly the Holley 125-45 model, ensuring an exact fit and reliable performance in your engine setup.

Key Features & Benefits

  • Designed for Holley 125-45 carburetors for precise fitment.
  • 4.5 HG vacuum rating allows for optimal fuel delivery adjustments.
  • Single-stage design ensures reliable operation across a variety of RPMs.
  • Enhances throttle response and maintains consistent power output.
  • Improves fuel efficiency by enabling better air-fuel mixture control.

Specifications

Identification
BrandHOLLEY
Part number125-45
SKUHLY125-45
UPC090127023358
Dimensions and weight
Dimensions (W × H × D)4.00 × 5.00 × 1.00 in
Material and finish
MaterialSteel
Series and warranty
Details
TypePower Valve
IncludesPower Valve, Gasket
Activation vacuum4.5 HG
Number of doors2
Number of stages1
Fuel typeAlcohol
Gasket includedYes
Gasket materialCompressed Fiber

Shipping and returns

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 30-day returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.

Holley Power Valve 4.5 HG Standard Flow Single Stage for Holley 125-45
Holley Power Valve 4.5 HG Standard Flow Single Stage for Holley 125-45
$36.99
In stock · free shipping

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