Holley Double Pump Carburetor, 750 cfm, Manual Choke
Holley Double Pump Carburetor
The best known carb for all racing. Features dual accelerator pumps, mechanical secondaries, dual metering blocks, center hung floats, dual feed fuel inlets, manual choke, power valve blowout protection and a classic dichromate finish. 100% wet flow tested and calibrated.
Part Type: Carburetor
Fuel Type: Gasoline
Number of Barrels: 4
Choke Type: Manual
Fuel Inlet: Dual
Fuel Inlet Fitting Size: 7/8"-20 to 5/8"-18 Inverted Flare
Secondary Type: Mechanical Secondary
Throttle Linkage Type: Universal
Ford Auto Trans Kickdown: No
Main Body: Zinc
Booster Type: Down-Leg
Screw-In Air Bleeds: No
Metering: 2 Circuit
Idle Circuit: 4 Corner
Primary Venturii Diameter: 1.375”
Secondary Venturii Diameter: 1.375"
Throttle Plate: Steel
Throttle Plate Pattern: 5.16" x 5.62"
Primary Throttle Bore Diameter: 1.6875"
Secondary Throttle Bore Diameter: 1.6875”
Primary Metering Block: NA
Secondary Metering Block: NA
Primary Fuel Bowl: Center Hung Float, Dichromate
Secondary Fuel Bowl: Center Hung Float, Dichromate
Externally Adjustable Floats: Yes
Fuel Bowl Sight Windows: Yes
Primary Accelerator Pump: 30cc
Secondary Accelerator Pump: 30cc
Primary Main Jets: 71
Secondary Main Jets: 80
Jet Extensions: No
Quick Change Jet Ports: No
Primary Power Valve: 6.5
Secondary Power Valve: NA
Power Valve Channel Restrictions (PVCR): No
Primary Pump Nozzle Size: .028"
Secondary Pump Nozzle Size: .031”
Secondary Spring Color: NA
Vacuum Port - Timed (Spark): 1
Vacuum Port - Full Vacuum: 1
PCV Port: 1
Manufacturer's Part Number: 0-4779C
Weight: 13.5 lbs.
Warranty: Limited 90-day material and workmanship
Quantity: Sold as Each