Description
Part Number: 0-4777SAE
Holley 650 CFM Aluminum Double Pumper Carburetor with Electric Choke
The iconic Holley Model 4150 Double Pumper carb engineered in lightweight aluminum with an electric choke for optimum street/strip throttle response and smooth cold starts.
Key Features
- ☑ 650 CFM Airflow Rating: Calibrated specifically for high-performance street engines and hot rods.
- ☑ 38% Weight Savings: Cast from lightweight aluminum rather than traditional heavy zinc.
- ☑ Electric Choke Control: Delivers effortless cold starts and fast engine warm-up without manual choke cables.
- ☑ Double Pumper Technology: Dual accelerator pumps and mechanical secondaries ensure immediate acceleration and tire-turning power.
- ☑ Dual Feed Inlets: Maintains reliable, high-volume fuel delivery under aggressive racing conditions.
- ☑ Shiny Tumble-Polished Finish: Provides outstanding corrosion resistance and a classic mirror-like engine bay appearance.
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number | 0-4777SAE |
| Carburetor Model | Model 4150 Double Pumper® |
| CFM Rating | 650 CFM |
| Number of Barrels | 4-Barrel |
| Flange Style | Square Bore |
| Choke Type | Electric Choke |
| Secondary Type | Mechanical |
| Booster Style | Straight Leg |
| Material | Aluminum |
| Finish | Shiny Tumble-Polished |
| Fuel Type | Gasoline |
| Primary Main Jet | #67 |
| Primary Power Valve | 6.5 |
| Pump Nozzle Size | 28 (.028″) |
What’s Included in the Box
- 1 x Holley 650 CFM Aluminum Double Pumper Carburetor (0-4777SAE)
- 1 x Electric Choke Power Wiring Kit
- 1 x Base Flange Mounting Gasket
- 1 x Throttle Linkage Hardware Pack
Holley has set the benchmark in American performance carburetion for well over a century. Every 0-4777SAE Double Pumper is 100% wet-flow tested by factory technicians to guarantee bolt-on usability right out of the box. Order from JP Racing today for authentic Holley quality backed by dedicated UK technical service and rapid nationwide delivery.
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