Description
Holley - 0-80572S
Supercharger Carburetor; 4 bbl; 700 cfm; Model 4150; Manual Choke; Gasoline; Dual Fuel Inlet; Mech. Secondary; Shiny Finish;
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.
- 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 w/Auto Trans w/High Stall/Low Gearing
- Boost Power Valve For Proper Enrichment Under Acceleration
- 100% Wet Flow Tested By Holley Technicians
- Arrives Ready To Run
Barrel: Four
Booster Type: Straight
Carburetor Type: 4150
CFM: 700
Choke: Manual
Emission: Without EGR
Finish: Shiny
Flange: Square Bore
Fuel Inlet: Dual
Fuel Type: Gasoline
Material: Zinc
Primary Main Jet: 72
Primary Power Valve: 10.5
Secondary Main Jet: 82
Secondary Pump Nozzle Size: 31
Secondary Type: Mechanical
Supercharged Application: Yes
Throttle Bore: 1.688 in.
Type: Automotive
Usage: Street/Strip
Extra Information
Brand:
Holley
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