This retrofit main body kit converts 0-4777 (650 CFM) and 0-4779 (750 CFM) Carburetors to a 750 CFM HP main body for increased horsepower, torque. Product Features:All Necessary Parts Are IncludedSimple Installation With Common Hand ToolsCalibrated For Optimum Performance/DrivabilityReduces Turbulence And Smooths Air Entry Into The VenturiEliminates Choke Tower/Associated HardwareEligible For Holley Contingency Programs
