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Holley 0-4781C - Double Pumper Carburetor

Holley  |  SKU: HOL-0-4781C
Sale price $91399 Regular price $1,01295

PLEASE NOTE: Pictures may be repsentative of style, rather than the actual product. Read the description for more details.

Description

Holley 0-4781C - Double Pumper Carburetor

Carburetor - Double Pumper - Model 4150 - 4-Barrel - 850 CFM - Square Bore - Manual Choke - Mechanical Secondary - Dual Inlet - Aluminum - Gold Chromate - Each

Double Pumper Carburetor; Dichromate Finish; 4 bbl; 850 cfm; Model 4150; Mech. Secondary; Manual Choke; Gasoline; Dual Fuel Inlet; Gold Dichromate Finish;

Holley Double Pumper carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears. The Double Pumper is available in a gold dichromate or tumble polished shiny finish and features dual accelerator pumps for additional fuel under initial acceleration; mechanical secondaries for great performance; dual feed fuel inlets for constant high volume fuel delivery and a manual choke for easy control of engine warm up. Dont trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60s.

  • Gold Dichromate Finish For Corrosion Resistance w/Classic Look
  • Optimized Street/Strip Calibration That Works Out Of The Box
  • Manual Choke For Precise Cold Start Control
  • Mechanical Secondaries For Awesome Tire Turning Performance
  • 4 Corner Idle Allows You To Precisely Control Your Idle System
  • Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration
  • Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
  • Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
  • 100% Wet Flow Tested By Holley Technicians
  • Arrives Ready To Run
Barrel Quantity: 4
Barrels: 4
Body Color: Gold Dichromate
Body Finish: Plated
Booster: Downleg
Booster Design: Downleg
Brand: Holley
Carburetor Material: Aluminum
Carburetor Use: Performance and Race
Category: Carburetors and Components
CFM: 850
Choke: Manual
Choke Type: Manual
Condition: New
Cubic Feet Per Minute Rating: 850
Emission Code: 3
Finish: Gold Dichromate
Flange Type: Square/4150
Fuel: Gasoline
Fuel Inlet: Dual
Grade Type: Performance
Linkage Attached: Yes
Marine Approved: No
Marine Use: No
Material: Aluminum
Model: 4150
Mounting Hole Quantity: 4
Primary Jet Diameter: 80
Primary Main Jet: 80
Primary Power Valve: 6.5
Primary Pump Nozzle Size: 31
Product Type: Carburetor
Secondaries: Mechanical
Secondary Main Jet: 80
Secondary Power Valve: 6.5
Secondary Pump Nozzle Size: 31
Spacer Included: No
Supercharged Application: No
Throttle Bore: 1.750 inch
Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port
Warning: California Proposition 65
Warranty: Manufacturer's Limited 90 Day Warranty

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