1X 4 Barrel 750 CFM Double Pumper Carburetor Electric Choke. Specifications: Barrel Count: 4, Choke Type: Electric Choke, CFM: 750, Circuit: 2, Emission Code: 3, Primary Main Jet: 74, Primary Power Valve: 6.5, Secondary Main Jet: 80, Throttle Bore: 1-11/16".