PARTS SHOWN ARE FOR IDENTIFICATION ONLY REFER TO PARTS LIST GROUP 3 725 FOR SPECIFIC PART NUMBER mil M J et F wm Ii wgag ann I 2 3 4 g ll I5 7 is I eg gi Q I gl fi tj 0 20 22 2 8 9 lo Q 25 AIR HORN PARTS CHOKE PARTS 26 tl I D 60 4 Il I L 3 6I R I A i N I as B2 6 i J 1 sz as O 4 Q Q t 4 as as I ee Q ct 9 I iw 34 QH gl 66 I 27 4 7 I 9 4 Y c E A In eg wi av t gl 0 4I 47 48 49 50 35 Q O 45 46 KQ l so 69 3 7 5I 09 E l QCD 39 5 ez C 5 i 0 mm 57 FLOAT BOWL PARTS 59 THROTTLE BQY PARQ TYPICAL ROCHESTER CARBURETOR MODEL 4MV rOUADRAJET 4BBL 1970 74 350 455 ENGINES KEY GROUP DESCRIPTION KEY GROUP DESCRIPTION T I 3 730 AIR HORN 35 N S S SCREW Cover I 2 3 730 SCREW Air Horn 36 N S S COVER Idle Comp 3 3 730 SCREW Air Horn 37 N S S IDLE COMPENSATOR 4 3 730 SCREW Air Horn 38 N S S GASKET Idle Comp I 5 3 842 LEVER Pump Actuating 39 3 740 BAFF LE Float Bowl 6 8 940 PIN Levers 40 3 806 ROD Metering Primary 7 N S S SCREW Vent Valve 41 3 792 JET Metering Primary 8 N S S VALVE Idle Vent 42 N S S RETAINER Piston 9 N S S KIT Idle Vent Valve 43 3 858 PISTON Power 10 3 806 ROD Metering Secondary 44 3 734 INSERT Float Bowl O I1 3 731 GASKET Air Horn 45 3 825 RETAINER Ball 12 N S S LEVER Lockout 46 3 825 BALL Pump 13 3 806 KIT Metering Rod Holder 47 3 859 SPRING Power Piston 3 757 KIT Air Valve Spring Cam 48 N S S SCREW Diaph Ret I4 3 752 KIT Choke Shaft Valve 49 N S S RETAINER Diaph 15 3 751 SCREW Choke Valve 50 N S S CLIP Pump Rod 16 3 752 VALVE Choke 51 3 752 LEVER Lockout Secondary 17 3 755 scmsw vac ercak Control 52 3 750 NUT Fuel Inlet Filter 18 3 765 CONTROL at BRACKET Vac eraak 53 3 740 GASKET Inlet Nut 19 3 766 CAM Fast Idle 54 N S S GASKET Filter 20 3 841 CLIP Choke Rod 55 3 740 FILTER Fuel 21 8 962 HOSE Vac Bulk 56 3 740 SPRING Inlet Filter 22 3 755 ROD Vac Break 57 3 843 ROD Pump 23 3 765 LINK Aux vac Break 58 3 761 SCREW Idle Furnn 24 3 752 ROD Choke 59 3 761 SPRING Idle Stop Screw 25 3 752 LEVER n gr Choke 60 3 762 i SCREW Cam BI Idle L V l S 26 3 755 CONTROL Vac Break 61 3 766 LEVER Fast Idle 3 765 CONTROL Aux Vac Break 62 3 766 SPRING Fast Idle Screw 27 3 734 FLOAT BOWL 63 3 766 SCR EW Fast Idle 28 3 838 PUMP Carb Fuel 64 3 766 LEVER Cam Follower 29 3 841 SPRING Pump Return 65 N S S GASKET Throttle Body 30 3 745 FLOAT Carb Fuel 66 3 823 SPRING IDLE NEEDLE 31 3 747 PIN Float Hinge 67 3 822 KIT Idle Needle Limiter 32 3 814 CLIP Float Needle 3 823 CAP Idle Needle Limiter 33 3 814 NEEDLE SEAT 68 3 741 SCREW Throttle Body 33A N S S GASKET Seat 69 N S S SPRING Cam Lever 34 3 810 SPRING Metering Rod Primary 70 3 729 THROTTLE BODY I 71 3 726 GASKET Flange J B3 174 GM PARTS DIVISION GENERAL MOTORS CORPORATION BU CK 4OA 3 000 GROUP 3 72