L6 GAS OHV Naturally Aspirated. For Rochester Quadrajet Carburetor Chevy 327 350 427 454 750 CFM 4 Barrel 4MV. For 1950-59 Chevy 235ci Rochester B 1 barrel carburetor 7003160 7004495 7003986. ROCHESTER QUADRAJET 1986-88 BUICK CHEVY PONTIAC 305 ENGINE ELECTRIC CHOKE New.
