Group 3 670 I le rr I a T VALVE delay CONNECTOR air check 1260778 1257770 VALVE vac check vlv 1257769 497855 364796 V 1 Group ZLBIID CONNECTOR exh emission control hose 469550 472813 Fur specific mnrlel appli tion usage and part numher identification on typical views refer tu the individu al parts cetalng greudps These illustrations are representative uf the actual service parts Nn scale nr size re Iatiunship is inmnde 33 123 I r GM PARTS DIVISION GENERAL MOTORS CORPORAT 0N CHEVROLET 1OA 9 78 ess 3 000 GROUP