l FUEL EXHAUST CARBURETION I 3 858 VALVE LINK PISTON ROD Carburetor Power Con t 69 G 10 20 Ser 10 thru 30 n w Roch 2BC 307 350 89 Blazer w Roch 2BC PISTON w 70261 13 70 G 10 Ser 10 Roch 2BC V w A T 307 70 BIazer Roch 2BC w A T 307 valve w 7040125 0425 7025 70 G 20 Ser 20 30 w Roch 2BC A I 307 71 G 10 Roch 2BC w A T 72 Ser 10 G 10 Blazer w Roch 2BC exc A T 72 Sar 20 Conv 4 WD Sub V w Roch 2BC exc A T 7034359 1 w 7040108 7028 70 Ser 10 G 10 20 w Roch 1BC 70 Blazer w Roch 1BC V 71 Ser 10 G 10 Blazer w Roch y 1BC z 7037780 1 PISTON ASSY w 7040007 21 22 1337 A 7021 22 72 Ser 20 Conv 4 WD Cab I I w Roch 2BC I 72 Ser 20 30 D D w Roch 2BC 72 Ser 30 Conv w Roch 2BC 7045898 1 PISTON ASSY valve 71 72 AII Blazer w Roch 1BC 7024215 1 ROD piston 68 70 All Blazer w Roch 1BC 7035297 1 ROD Q 3 859 SPRING Carburetor Power Piston 68 G 10 20 230 250 68 Ser 10 292 V 68 Ser 20 Sub 292 i I 68 Ser 10 D D 230 I 4 88 72 Ser 10 thru 30 Blazer w Roch 1BC 250 70 G 10 20 w Roch 1BC s V 71 72 G 10 thru 30 w Roch 1BC 250 y P 71 Ser 10 Conv 4 WD w Roch 1BC 292 7012515 1 vacuum 68 Ser 10 thru 30 327 89 Ser 10 thru 30 w Roch 4BC A 350 396 I 69 Blazer w Roch 4BC 7037851 1 power piston 70 72 All Blazer w Roch 4BC 7036019 1 I 70 Ser 20 thru 30 w Roch 1BC V 292 71 Ser 20 30 w Roch 1BC 292 3 865 GOVERNOR Carburetor NOTE Distributor controlled governor assemblies are available only as part of throttle body assemblies Group 3 729 or complete carburetors Group 3 725 I 59 Ser 3 6 cyl exc H T 60 61 Ser 10 thru 30 6 cyl exc A T closed vent 62 Ser 10 thru 30 6 cyl exc 261 f 3764990 1 VS 558 2600 3600 rpm 60 66 Ser 10 thru 30 8 cyl i 63 65 All 230 2456730 1 V655 640 1800 3100 rpm 83 85 All 230 2456731 1 KS 601 641 3000 4000 rpm 63 65 All 292 3837927 1 V6S 642 1800 3100 rpm 64 66 All 292 87 Ser 10 thru 30 292 exc I A l R 87 D D 3854566 1 KS601 661 2200 3100 rpm 66 Sar 10 thru 30 6 cyl exc 292 A l R 67 Ser 10 thru 30 250 exc D D 67 D D 3892847 1 KD 651 706 1800 3000 rpm V 66 Ser 10 thru 30 6 cyl exc 292 A I R 87 Ser 10 thru 30 250 exc D D 87 D D 3892848 1 KS 601 707 2800 4000 rpm 87 Ser 10 thru 30 292 exc D D A I R 67 D D 3853314 1 KS 601 662 2800 3900 rpm 88 69 Ser 20 30 250 exc A I R 3929821 1 I KS 651 735 1800 3000 rpm low range 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 3 117 I 3 858 3 865