For 1904R 1906R Quadrajet 4MV Vacuum Secondary 650/750-CFM Electric Choke. 1904R, 1906R. Barrel Count:4. For Chevy Cadillac GMC with 305Cu. 5.0L 350Cu. 5.7L Engine 1980-1989. 1x Carburetor. Electric Choke Carburetor Replace for 1406 600 CFM for Chevy GMC Cadillac Ford.
