FUEL EXHAUST CARBURETION 3 670 VALVE ASSY Air Injection Reactor Check 0on t 75 All 8 cyl 4974265 1 5 30 alr ini check 72 74 Vega 5361992 1 5 30 air Inj check 75 Vega 4993435 4 5 65 pulsalr check valve 75 Vega Monza 140 4974196 1 5 80 check 75 All 350 w 2BC 75 All 454 5361992A R 5 30 air inj check 75 All 8 cyl 497853 1 1 55 E F E vac check 3 670 VALVE Early Fuel Evaporation Vacuum Check 75 All VB 497853 1 1 55 E F E vac check 3 670 VALVE ASSY Exhaust Gas Recirculation 73 All 250 exc Vega 17051807 1 19 10 E G R 73 Pass Sta Wag 400 73 All A T w 280 350 exc Vega 74 All w A T 350 exc Sp H Per Vega 7040437 1 E G R 73 All w 2BC 350 exc A T Vega 7040042 1 16 85 E G R 73 74 Camaro w Sp H Per 350 exc A T 17051818 1 19 10 E G R 73 Camaro A T w Sp H Per 350 7047065 1 16 85 E G R 73 All w 4BC 350 exc A T Vega 704031 8 1 16 85 E G R 73 All 307 74 Nova Chevelle 3 Spd w ZBC 350 7035170 1 16 85 E G R 73 Pass w 2BC 400 exc Sta Wag 73 All A T w 4BC 350 exc Sp H Per Vega 74 Pass 74 Chevelle w 2BC 400 17051810 1 19 10 E G R 73 All 454 axc Vega 7047066 1 16 85 E G Fl 73 All w 3 Spd 6 cyl exo Vega 17051909 1 E G R 73 74 All w A T 5 cyl exc Vega 17051807 1 19 10 E G R repl 7035169 73 Vega w 2BC exc A T 7046498 1 16 85 E G R Z 73 Vega w ZBC A T 7030880 1 16 85 E G R 73 Vega w IBC exc A T 74 Vega w 1BC 140 exc NB Z A T 17051876 1 l9 10 E G R 73 Vega w 1BC A T 74 Vega w 1BC 140 NB 2 A T 7049875 1 16 85 E G R 74 Nova Chevelle Camaro w 4BC 350 exc A T 7040599 1 l6 85 E G R 74 All 6 cyl exc A T Vega 7043042 1 16 85 E G R 74 Nova Camaro w 4BC 350 exc NB 2 Sp H Fer 7041409 1 16 85 E G R Federal 74 Pass Chevelle 4BC w NB 2 400 17051840 1 IQ 10 E G R Callf 74 Pass 454 74 Chevelle w T H 400 454 exc NB 2 7049867 1 16 85 E G R Federal 74 Vega w 1BC 140 NB 2 M T 74 Vega w 1BC 140 A T exc NB Z 17051875 1 19 10 E G R Federal 74 75 Vega Monza w 2BC 140 exc A T 17051850 1 l9 l0 E G R 74 75 Vega Monza w 2BC 140 A T NB 2 7043279 1 20 30 E G R Calif 74 75 Vega Monza w ZBC 140 A T exc NB 2 7048270 1 18 90 E G R Federal 74 75 Vega Monza w ZBC 140 M T 17051860 I l9 10 E G R 74 Vega w 1BC 140 7049873 1 15 85 E G R 75 All A T 6 cyl exc Vega Monza 17052663 1 19 10 E G R 75 Chevelle w T H 400 454 exc NB 2 370721 1 9 05 E G R Federal 75 All w NB 2 400 exc Vega Monza 17052703 1 32 45 E G R Callf 75 All A T w NB Z 6 cyl exo Vega Monza I7052664 l 19 10 E G R Calif 75 Chevelle 400 exc NB 2 17052670 1 19 10 E G R Federal 2 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 7 3 670 3 670 3 64 REV 4 77