Holley 750 CFM 4-Barrel Classic Finish Double Pumper Carburetor w/ Manual Choke
Highlights
- 750 CFM Airflow Rating
- 4-Barrel Double Pumper
- Manual Choke Control
- Dual Fuel Inlets
Holley 750 CFM 4-Barrel Classic Finish Double Pumper Carburetor with Manual Choke.
Restore higher airflow capacity with this Holley 4-Barrel Double Pumper Carburetor! It fits square-bore intake manifolds and delivers consistent fuel flow for performance applications.
Features and Benefits:
- 750 CFM airflow supports higher output engines
- Mechanical secondaries improve throttle response
- Manual choke allows controlled cold starts
- Durable zinc construction with classic finish
- Dual fuel inlets provide consistent fuel supply
- 4150 design fits square bore intake manifolds
- Multiple vacuum ports support system integration
This carburetor features mechanical secondaries for immediate throttle response and a manual choke for controlled cold starts. It includes durable metering blocks and a base plate designed for consistent fuel distribution. Plus, it's constructed from zinc with a classic gold finish.
Vehicle Fitment:
- 1964-1972 Chevelle
- 1964-1972 El Camino
- 1967-1973 Camaro
Specifications:
- Barrels: 4
- Color: Gold Dichromate
- Boost: Down Leg
- CFM: 750
- Choke: Manual
- Emission Code: 3
- Fuel Type: Gasoline
- Fuel Inlet: Dual
- Material: Zinc
- Model: 4150
- Secondaries: Mechanical
- Supercharged Application: No
- Throttle Bore: 1.688”
- Vacuum Ports: 1 Timed (Spark) Port, 1 Full, and 1 PCV Port
California Residents: Proposition 65 Warning
Related Categories: Carburetors
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Installation Difficulty

Novice skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
This product will fit the following Chevelle years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
This product will fit the following El Camino years:
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,












