CFM:750 CFM. 100% Wet Flow Tested By Holley Technicians. Carburetor Series:4150 HP. Number of Barrels:4-Barrel. Tumble Polished Shiny Finish For Good Looks. Wait for an RGA number to be issued. WARNING: This product can expose you to chemicals including chromium, known to the State of California to cause cancer and birth defects or other reproductive harm.More info.