Description
Holley Classic 4150 Double Pumper 650 CFM Carburetor with Electric Choke
The iconic Holley Double Pumper upgraded with an electric choke for effortless cold-start reliability on high-performance street and strip applications.
Overview
Engineered for hot street vehicles and race applications, the Holley 0-4777CE Classic Double Pumper delivers instantaneous throttle response and optimal fuel flow. Featuring a 650 CFM airflow capacity, 4150 square bore flange, mechanical secondaries, and dual accelerator pumps, this unit delivers maximum torque under hard acceleration. The addition of an electric choke makes it ideal for street cars requiring consistent cold starting without sacrificing race-proven double pumper performance.
Key Features
- ☑ Classic zinc finish for optimum corrosion resistance and timeless engine bay styling
- ☑ Integrated electric choke for precise cold start control and smooth warm-up
- ☑ Mechanical secondaries and dual accelerator pumps for instantaneous throttle response
- ☑ Dual feed fuel inlets ensure constant high-volume fuel delivery under demand
- ☑ Out-of-the-box street and strip calibration, 100% wet-flow tested by Holley
Technical Specifications
| Brand | Holley |
|---|---|
| Part Number | 0-4777CE |
| Carburetor Model | 4150 Double Pumper |
| CFM Rating | 650 CFM |
| Flange Type | Square Bore (4-Barrel) |
| Choke Type | Electric |
| Secondaries | Mechanical |
| Finish | Classic Zinc / Gold Dichromate |
| Fuel Inlet | Dual Feed (9.5″ Center-to-Center) |
| Primary Main Jet | 67 |
| Secondary Main Jet | 73 |
| Primary / Secondary Pump Nozzle | 0.028″ (28) |
| Power Valve | 6.5 Hg |
| Throttle Bore | 1.688″ |
| Vacuum Ports | 1 Timed (Spark), 1 Full, 1 PCV |
What’s Included in the Box
- 1x Holley 0-4777CE 650 CFM Double Pumper Carburetor
- 1x Electric Choke Harness Wiring Lead
- 1x Mounting Flange Gasket Set
- 1x Carburetor Mounting Hardware Pack
As an authorized UK supplier of genuine Holley performance parts, JP Racing ensures direct access to competition-grade fuel system solutions. Every Holley carburetor is engineered to exacting standards and wet-flow tested for uncompromised reliability. Contact our technical team for expert fitment assistance and benefit from our fast UK mainland delivery.
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