Carburetor Manufacturer: Rochester: 4 BBL; Carburetor Model: 4MV. 1973 GMC G15/G1500 Van Engine: 5.7L V8;EngineVIN: Y; Carb MFG: R-4; Carb Model: 4MV;. Part Type: Carburetor Repair Kit. 1974 GMC G15/G1500 Van Engine: 5.7L V8;EngineVIN: V; Carb MFG: R-4; Carb Model: 4MV;.
