Holley 850 CFM 4-Barrel Polished Finish Double Pumper Carburetor w/ Manual Choke
Highlights
- 850 CFM Airflow Rating
- Manual Choke Control
- Mechanical Secondaries
- Dual Accelerator Pumps
Holley 850 CFM 4-Barrel Polished Finish Double Pumper Carburetor with Manual Choke.
Increase your engine's airflow and fuel delivery with this Holley 850 CFM 4-barrel double pumper carburetor! The zinc construction features a polished finished to help resist corrosion.
Features and Benefits:
- 850 CFM airflow supports high-output engines
- Mechanical secondaries improve throttle response
- Manual choke allows controlled cold starts
- Dual accelerator pumps add fuel under load
- Dual fuel inlets maintain steady fuel delivery
- Polished finish resists corrosion
- Wet-flow tested for verified performance
It features mechanical secondaries and dual accelerator pumps to provide more fuel during acceleration. A manual choke allows controlled startup adjustment, while dual fuel inlets support consistent fuel supply.
Vehicle Fitment:
- 1964-1972 Chevy Chevelle
- 1964-1972 Chevy El Camino
- 1967-1973 Chevy Camaro
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,
