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Holley Performance Carburetor Power Valve 12555

Authorized Dealer
Brand: Holley Performance Holley Performance
0 reviews
  • Have a product question? Ask us
  • Part Number: 125-55
  • Part Location: U.S.
  • Availability: 13 In Stock
  • Delivery: Ships Out in 1 - 2 Business Days
  • If purchased before 12:00 EDT - estimated delivery by May 28
Retail: $20.99
Price: $19.99
You Save: $1.00
Compatibility
Holley Carburetors
Flow Type
Single Stage Standard Flow
Includes Gasket
Yes
Pressure
5-1/2 Inch Of Mercury
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Holley Performance Carburetor Power Valve

Carburetor Power Valve; For Use With Holley Carburetors; Single Stage Standard Flow; 5.5 Inch of Mercury; With Gasket

MPN: 12555

Holley Carburetors that are intended for use with superchargers, have a unique capability that allows their power valves to reference the intake manifold vacuum below the supercharger. This allows the power valve to operates it should, based off intake manifold vacuum. A power valve provides further enrichment to the main metering system under load and low vacuum conditions. Without this external referencing, the power valve would be reading the supercharger boost pressure, which has no bearing on the engine load
Compatibility: Holley Carburetors
Flow Type: Single Stage Standard Flow
Pressure: 5-1/2 Inch Of Mercury
Includes Gasket: Yes

Features

  • With Single Stage
  • A Power Valve Provides Further Enrichment To The Main Metering System Under Load And Low Vacuum Conditions
  • Without External Referencing, The Power Valve Would Be Reading The Supercharger Boost Pressure, Which Has No Bearing On The Engine Load
  • Include Gasket
  • Limited 90 Day Supplier Warranty
Specifications of Holley Performance Carburetor Power Valve 12555
Compatibility Holley Carburetors
Flow Type Single Stage Standard Flow
Includes Gasket Yes
Pressure 5-1/2 Inch Of Mercury

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