The Holley Double Pumper Carburetor is a performance icon, built for hot street cars and race vehicles running a manual transmission or an automatic with a high-stall converter and low gearing. It features dual accelerator pumps for extra fuel under initial acceleration, mechanical secondaries, dual feed fuel inlets for high-volume fuel delivery, and an electric choke for easy cold starts, all in a shiny polished aluminum finish.
Specifications:
- CFM: 650
- Model: 4150
- Secondaries: Mechanical
- Finish: Shiny (Polished)
- Choke Type: Electric
- Material: Aluminum
- Flange Type: Square/4150
- Fuel Type: Gasoline
- Fuel Inlet: Dual
- Carburetor Use: Performance and Race
- Primary Main Jet: 65
- Secondary Main Jet: 73
- Primary Power Valve: 6.5
- Primary Pump Nozzle Size: 28
- Throttle Bore: 1.688 in.
- Vacuum Ports: 1 timed (spark) port, 1 full, 1 PCV port
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 0-4777SAE
This carburetor uses the square-bore flange bolt pattern (5-3/16 in. x 5-5/8 in.) and can replace Holley, Edelbrock, Carter AFB, and Autolite carburetors with that pattern. An adapter is required for spreadbore-style intake manifolds.
FAQ
What choke type does the 0-4777SAE Double Pumper use?
An electric choke for precise, hands-off cold-start control.
What secondaries does it use?
Mechanical secondaries for strong tire-turning performance.
What bolt pattern does it use?
A square-bore flange bolt pattern (5-3/16 in. x 5-5/8 in.), compatible with Holley, Edelbrock, Carter AFB, and Autolite carburetors of that pattern.
What type of vehicle is this carburetor intended for?
Lightweight vehicles with a manual transmission, or automatics with a high-stall converter and low rear gearing.
