1 H y g y y A FUEL EXHAUST CARBURETION jg arts i n II olum s same except h ere i ndica d I B107 BUICK A 1977 ROCHESTER 4BC Continued y See Model Reference for Application GROUP DESCRIPTION OTY 13 14 15 16 FLOAT BOWL PARTS Continued 3 766 SPRING Idle Stop Screw 1 7003176 3 792 JET Primary 2 7031972 7031972 3 806 INSERT Aneroid Cavity 1 17051796 17051796 3 810 SPRING Metering Rod Primary 1 7041459 3 814 PULL CLIP Float Needle 1 7033751 3 814 NEEDLE AND SEAT ASM 1 7035134 7035150 3 825 BALL Pump Discharge 1 7002117 3 825 RETAINER Pump Discharge 1 7029849 V 3 838 PUMP ASM Carb 1 17051374 17051374 17051117 3 841 SPRING Pump Return 1 7042979 3 843 ROD Pump 1 7026138 3 858 POWER PISTON ASM 1 17051792 17051792 3 859 SPRING Power Piston 1 7036019 7036019 7029922 THROTTLE BODY PARTS 3 726 GASKET Flange I 372506 372506 NS 3 729 TH ROTTLE BODY ASM 1 17054405 17054405 17056885 3 741 SCREW Throttle Body AR 7035790 3 766 LEVER Cam Follower 1 7041497 3 766 SPRING Fast Idle Screw 1 7029900 3 766 SCREW Fast Idle Adj 1 7044794 3 766 LEVER Fast Idle 1 7041498 3 768 SPRING Cam Lever 1 17051494 3 767 SCREW Fast Idle Lever Attach 1 7036079 I 3 814 NEEDLE Idle 2 7048531 7048531 NS 3 823 SPRING Idle Needle 2 7011479 NS I ACCESSORIES 3 750 PIPE Choke Air I 355922 355922 3 750 PIPE Choke Heat 1 335918 335918 3 755 SWITCH Thermo Vac Choke 1 NS NS 3 755 CONNECTOR Carb Fuel Inl 1 NS NS 3 752 LEVER Stat Cover 7043368 A WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUlCK 41 g REV 5 81 3 41 c 7 3 000 GROUP