Holley's Double Pumper carburetors are an American icon in performance carburetion, a great choice for hot street cars and race vehicles whether burning up the street or the quarter mile. This 600 CFM model features dual accelerator pumps for additional fuel under initial acceleration, mechanical secondaries, dual feed fuel inlets for constant high-volume fuel delivery, and a manual choke, and is intended for lightweight vehicles with a manual transmission or an automatic with a high-stall converter and low rear gearing.
Specifications:
- CFM: 600
- Model: 4150
- Secondaries: Mechanical
- Choke: Manual
- Finish: Gold Dichromate
- Material: Aluminum
- Fuel Type: Gasoline
- Fuel Inlet: Dual
- Flange Type: Square/4150
- Throttle Bore: 1.563 inch
- Primary Jet: 66
- Primary Power Valve: 6.5
- Secondary Jet: 73
- Mounting Holes: 4
- Vacuum Ports: 1 timed (spark), 1 full, 1 PCV
- Warranty: Manufacturer's Limited 90 Day Warranty
- Part Number: 0-4776C
Due to natural variations in the dichromate plating process, plating color may vary from casting to casting and carburetor to carburetor — this is normal and not a cosmetic defect. A black or shiny finish is available for those who prefer no color variation.
FAQ
What CFM rating is this carburetor?
600 CFM.
What type of choke does it use?
A manual, cable-driven choke for hands-on cold-start control.
What kind of vehicles is this Double Pumper intended for?
Lightweight vehicles with a manual transmission, or an automatic transmission with a high-stall converter and low rear gearing.
Why does the gold dichromate finish vary between units?
Natural variations in the dichromate plating process can cause slight color differences from casting to casting; this is normal and not a defect.
