Holley 750cfm Double Pumper Drag Race 4150 Series Rebuilt Ready To Go... on 2040-parts.com
Flemington, New Jersey, United States
Up for sale i have a Holley carburetor.
This carb has been disassembled, soaked in a cleaning solution then followed by a ultrasonic cleaning, tumbled polished then all passages blown with compressed air.
Choke horn was milled flat to increase cfm to flow 750+ & balance air flow between the primaries & secondaries.
Also note the holes for the choke linkage are epoxied shut to help maintain air pressure once your air filter housing/assembly is installed.
This carb has been rebuilt/refurbished with many new components.
Carburetor Information
Type: Double Pumper
Vacuum Ports: Yes
Model: 4150 4 barrel
Holley part number: 4779-2
Cfm: 750
Booster Type: Down Leg
Carburetor Specs
Primary jets: 72
Secondary jets: 82
Butterfly plates
Primary: 172
Secondary: 173
Discharge nozzles
Primary: 31
Secondary: 31
Accelerator pumps
Primary: 30cc
Secondary: 30cc
Front float was tested and cleaned.
Following new parts were installed:
Throttle body gasket.
Primary & Secondary throttle plates.
Main body vent tubes.
Base plate mounting screws & lock washers.
Secondary throttle return spring.
Accelerator pump check weights.
Secondary link.
Pump nozzle gaskets.
Blue non-stick metering block gaskets.
Primary power valve 6.5 four window high flow.
Idle mixture o-rings.
Blue non-stick float bowl gaskets.
High flow needle & seats: #110
Reusable Nylon Needle and seat gaskets.
Reusable Nylon gaskets for the fuel bowl screws.
30cc accelerator pump diaphragms.
30cc accelerator pump springs.
30cc zinc plated pump housing screws & stainless steel lock washers.
Springs for floats.
Sight screw gaskets.
QFT notched rear float & brass screw in jet extensions for hard acceleration.
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