700 CFM Aluminum Double Pumper Carburetor
PART# 0-4778SA
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Overview
Holley's new 0-4778SA is constructed from aluminum which compared to its zinc counterpart. Holley's aluminum 0-4778SA will hold its shine longer and also can be hand polished for a custom look!
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.
Don't 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 60's.
Once stock is depleted this model will be obsoleted and replaced by 0-4778S
Features:
- Aluminum Design for 38% weight savings
- Improved Fuel Bowl Design
- Tumble polished Shiny finish for good looks
- Optimized street/strip calibration that works out-of-the-box
- Manual choke (Cable driven, hand operated) for precise cold start control
- Mechanical secondaries for awesome tire turning performance
- Dual accelerator pumps for additional fuel under initial acceleration
- Dual feed fuel inlets for constant high volume fuel delivery
- Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Specs
| Barrels | 4 |
|---|---|
| Booster | Straight |
| Brand | Holley |
| Carburetor Use | Performance and Race |
| CFM | 700 |
| Choke | Manual |
| Condition | New |
| Emission Code | 3 |
| Finish | Shiny |
| Fuel | Gasoline |
| Fuel Inlet | Dual |
| Marine Use | No |
| Material | Aluminum |
| Model | 4150 |
| Primary Main Jet | 69 |
| Primary Power Valve | 6.5 |
| Primary Pump Nozzle Size | 28 |
| Product Type | 4150 Model Carburetor |
| Secondaries | Mechanical |
| Secondary Main Jet | 78 |
| Secondary Pump Nozzle Size | 31 |
| Supercharged Application | No |
| Throttle Bore | 1.688 inch |
| Vacuum Ports | 1 timed (spark) port, 1 full, and 1 PCV port |
| Warranty | Limited 90 Day |
| Part Number | 0-4778SA |
Service Parts
![Renew Kit Carburetor Rebuild Kit]()
Renew Kit Carburetor Rebuild Kit Model Number 4150 600, 650, 700, 750, 800, 850 CFM.$44.66Qty:![GM AOD Kickdown Cable Bracket]()
Kickdown Cable Bracket For Use Only On Models 4150 & 4160 carburetors with 700R-4 transmissions.$27.65Qty:![Jet Assortment Kit]()
![700R-4 KICKDOWN THROTTLE Bracket]()
![Fuel Line]()
Fuel Line Chrome For Holley Model 4150 Carburetor 5/8-18 inverted flare inlet. 9.313" center to center.$40.91Qty:![Choke Control Cable]()
![Pro Series Secondary Linkage]()
Pro-Series Adjustable Secondary Linkage Kit for all Holley Double Pumper, HP, and Ultra XP carburetors.$39.72Qty:![Carburetor Throttle Cable Bracket]()
![Accelerator Pump Cam]()
![Tuning/Calibration Kit]()
![Universal Carb Installation Kit]()
Carburetor installation kit for square and spread bore carburetors$22.97Qty:![Choke Conversion Kit]()
Electric Choke Conversion Kit Shiny Finish w/External Vacuum Source$75.86Qty:![Accelerator Pump Tuning Kit]()
Accelerator Pump Tuning Kit For Holley 2 BBL And 4 BBL Performance Carburetor$165.95Qty:![Carburetor Adapter Plate]()
![Carburetor Throttle Secondary Adjusting Lever Kit]()
Secondary Throttle Adjusting Lever Kit$50.55Qty:![Black Anodized Adjustable Billet Fuel Line]()
Black anodized adjustable billet fuel line for dual feed Model 4150 and Dominator Carburetors. Adjustable to allow for fitment on various metering block and fuel bowl configurations.$280.95Qty:
Emissions
3
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured Federally Certified vehicles
- 1968 and newer Foreign manufactured vehicle
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.