Carburetor Series:Gen 3 Ultra Dominator. Flange:4500 Dominator. CFM:1250 CFM. Main Body/Fuel Bowl Finish:Polished. Throttle Plate Finish:Polished. 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.