Rochester Quadrajet Carburetor Electric Choke New 4 Barrel for Chevy 305 350 c.i Engine pickup 1904R 1906R 4MV Carburetor 1980-1989 Chevrolet GM Cadillac 600 650 750 CFM Vacuum Secondary. Fits 1980 Chevy Cars and 1981-1986 Chevy/GMC Trucks with compatible part numbers 1904R and 1906R.
