Description
Part Number: 0-4779C
Holley 4150 Series 750 CFM Double Pumper Carburettor
Iconic 4-barrel street and race carburettor engineered for maximum throttle response and high-volume fuel delivery.
Key Features & Specifications
- ☑ 750 CFM Airflow: Precision wet-flow tested for optimal fuel distribution in performance street and motorsport applications.
- ☑ Double Pumper Design: Dual 30cc accelerator pumps deliver instantaneous fuel under rapid acceleration.
- ☑ Mechanical Secondaries: Direct mechanical throttle actuation for maximum driver control and power response.
- ☑ Gold Dichromate Finish: Classic looks offering high resistance to fuel and environmental corrosion.
- ☑ 4-Corner Idle System: Enables ultra-precise tuning of the idle circuit for aggressive camshaft profiles.
- ☑ Power Valve Blowout Protection: Built-in check valve protects power valve diaphragms against backfire damage.
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number | 0-4779C |
| Carburettor Series | 4150 Double Pumper |
| CFM Rating | 750 CFM |
| Number of Barrels | 4-Barrel |
| Flange Pattern | Square Bore |
| Choke Type | Manual Choke |
| Secondary Type | Mechanical Secondary |
| Fuel Inlet Style | Dual Feed (7/8″-20 Threads) |
| Booster Type | Down Leg |
| Primary Main Jet | 70 / 71 |
| Secondary Main Jet | 80 |
| Finish | Gold Dichromate |
What’s Included in the Box
- 1x Holley 4150 750 CFM Double Pumper Carburettor (PN 0-4779C)
- 1x Carburettor Flange Mounting Gasket Set
- 1x Throttle Linkage Accessories & Hardware Pack
Engineered with over a century of Holley performance heritage, the 0-4779C Double Pumper delivers uncompromised fuel delivery and track-ready reliability. Order directly from JP Racing for expert UK technical support, genuine product assurance, and fast nationwide delivery.
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