Holley Carburetor 0-80573S; 4150 HP 750 CFM 4-Barrel Manual Choke

$1,009.95

Part #: 0-80573S

Brand: Holley

UPC: 090127467190

Estimated Ship Date: 7/16/2025 (From manufacturer)

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Details

  • Tumble Polished Shiny Finish For Good Looks
  • Manual Choke For Precise Cold Start Control
  • Dual Accelerator Pumps For Add Fuel Under Initial Acceleration
  • Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
  • Mechanical Secondaries For Perfect Off The Line Launches
  • Lightweight Vehicles with Auto Transmission with High Stall/Low Gearing
  • Boost Power Valve For Proper Enrichment Under Acceleration
  • 100% Wet Flow Tested By Holley Technicians
  • Arrives Ready To Run

Product Description

These carburetors that are intended for use with superchargers, and have a unique capability that allows their power Valves to reference the intake Manifold vacuum below the supercharger. This allows the power valve to operate as it should, based off intake manifold vacuum. A power valve provides further enrichment to the main metering system under load (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.

Specifications

Carburetor Series:
4150 HP
CFM:
750 CFM
Number of Barrels:
4-Barrel
Flange:
4150 Square Bore
Secondary:
Mechanical
Choke:
Manual Choke
Main Body/Fuel Bowl Finish:
Shiny
Booster Type:
Down Leg
Compatible Fuels:
Gasoline
Fuel Inlet:
Dual
Quantity:
Sold As Each

Videos

Tech Resources

  • HOL0-80573S.pdf