Product details:

Holley 770 CFM Street Avenger Carburetor This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles 1967 and older U.S. manufactured Federally Certified vehicles 1967 and older Foreign manufactured vehicle Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street. Specs: Carburetor Size (Barrels) 4 CFM 770 Choke Electric Secondaries Vacuum Finish Polished Fuel Inlet Dual Model 4150 Primary Main Jet 70 Primary Power Valve 6.5 Primary Pump Nozzle Size 31 Secondary Main Jet 75 Secondary Pump Nozzle Size 31 Throttle Bore 1.688 Inch Fuel Type Gasoline Vacuum Ports 1 Timed (Spark) Port, 2 Full, and 1 PCV Port Flange Type Square Bore