Holley 650 CFM 4-Barrel Polished Double Pumper Carburetor w/ Manual Choke
Highlights
- 650 CFM Airflow Rating
- 4-Barrel Double Pumper
- Manual Choke Control
- Polished Finish
Holley 650 CFM 4-Barrel Polished Double Pumper Carburetor with Manual Choke.
This Holley four-barrel double pumper carburetor provides consistent fuel metering for performance use. It supports square-bore intake manifold applications.
Features and Benefits:
- 650 CFM airflow supports performance applications
- Mechanical secondaries improve throttle response
- Manual choke allows controlled startup operation
- Dual fuel inlets support consistent fuel supply
- Built from zinc with a durable polished finish
- Wet-flow tested for verified fuel delivery
- 4150 model fits square bore intake manifolds
This carburetor features a mechanical secondary design for responsive acceleration and a manual choke for controlled cold starts. It's built with a zinc main body with a corrosion-resistant polished finish. It's also wet-flow tested to verify proper operation and fuel delivery before use.
Vehicle Fitment:
- 1964-1972 Chevelle
- 1964-1972 El Camino
- 1967-1973 Camaro
Specifications:
- Barrels: 4
- Color: Polished Finish
- Boost: Straight
- CFM: 650
- 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,
