4 Barrel Carburetor for Chevy 305 350 Engine Rochester Quadrajet 4MV 1906R 1904R

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. 4 Barrel Carburetor for 1406 600 CFM Electric Choke 5.0L 305 5.2L 318 5.7L 350.