Holley HP 750 CFM 4-Barrel Polished Carburetor w/ Mechanical Secondaries
Highlights
- 750 CFM Airflow Rating
- Mechanical Secondaries
- Dual Accelerator Pumps
- Polished Finish
Holley HP 750 CFM 4-Barrel Polished Carburetor with Mechanical Secondaries.
High-performance engines require precise fuel control and consistent airflow. This Holley HP 750 CFM 4-barrel carburetor supports square-bore intake manifolds and performance setups.
Features and Benefits:
- 750 CFM airflow supports high-performance applications
- Mechanical secondaries improve throttle response
- Dual accelerator pumps supply fuel under load
- Contoured venturi inlet improves airflow efficiency
- Four-corner idle allows precise tuning
- Screw-in air bleeds enable fine adjustment
- Dual fuel inlets maintain steady fuel delivery
- Wet-flow tested for verified performance
It features mechanical secondaries and dual accelerator pumps to deliver immediate fuel under acceleration. The contoured venturi inlet improves airflow balance, while four-corner idle adjustment allows fine-tuning at idle. It also includes dual fuel inlets for consistent fuel supply.
Vehicle Fitment:
- 1964-1972 Chevelle
- 1964-1972 El Camino
- 1967-1973 Camaro
California Residents: Proposition 65 Warning
Related Categories: Restomod, 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,












