1906 650 CFM 4 Barrel Carburetor, Electric Choke Replacement for 1980-1989 GMC Chevrolet 38048730OEM Number NCR 1906 Package Included 1x Carburetor Fits Fit for 1980 1989 GMC Chevrolet Description 1906 is a satin finished four barrel carburetor with electric choke that is designed and calibrated for optimum street performance in engines that require an air fuel flow of 650 CFM. The Carburetor is a perfect replacement or upgrade that features annular flow primary boosters with a new calibration for improved off idle and cruising performance. The