The retrofit main body kit converts 0-4777 (650 CFM), 0-4778 (700 CFM) and 0-4779 (750 CFM) carburettors to a 750 CFM HP main body for increased horsepower, torque and airflow.
- Eliminates choke tower & associated hardware of standard Holley double pumper
- Reduces turbulance & smoothes air entry into the venturi
- Pre-calibrated at the factory for optimum performance & driveability on a wide variety of applications
- Simple installation with common hand tools
- All necessary parts are included