1976 GMC K25 Suburban Engine: 5.7L V8;EngineVIN: L; Carb MFG: R-2; Carb Model: 2GC;. 1976 GMC K25 Suburban Engine: 5.7L V8;EngineVIN: L; Carb MFG: R-2; Carb Model: 2GV;. 1976 GMC K25 Suburban Engine: 5.7L V8;EngineVIN: V; Carb MFG: R-2; Carb Model: 2GC;.
