FUEL EXHAUST CARBURETION r g Parts in all columns same exce t where Indicated G126 CHEVROLET 1977 ROCHESTER 4BC Continued l See Model Reference for Application GROUP DESCRIPTION DTV 1 2 3 4 5 6 FLOAT BOWL PARTS Continued 3 814 PULL CLIP Float Needle 4 1 7033751 3 814 NEEDLE AND SEAT ASM 1 7035134 3 825 BALL Pump Discharge 1 7002117 3 825 RETAINER Pump Discharge 1 7029849 3 838 PUMP ASM Carb 1 17051374 3 841 SPRING Pump Return 1 7042979 3 843 ROD Pump 1 7026138 3 858 POWER PISTON ASM 1 17051792 3 859 SPRING Power Piston 1 7029529 7029529 7029529 7036019 7036019 7036019 THRO I LE BODY PARTS 3 726 INSULATOR Carb Heat 1 354310 V 3 726 INSULATOR FIange 1 354310 3 729 THROT1 LE BODY ASM 1 17054406 17054405 17054405 17054405 17054405 171154405 3 741 SCREW Throttle Body 3 7035790 3 766 LEVER Cam Follower 1 7041497 3 766 SPRING Fast Idle Screw 1 7029900 3 766 SCREW Fast Idle Adi 1 7044794 3 766 LEVER Fest Idle 1 7041498 3 766 SPRING Cam Lever 1 17051494 3 787 SCREW Fast Idle Lever Attach 1 7036079 3 622 NEEDLE Idle Z 7048531 r I 3 823 SPRING Idle Needle 2 7011479 I ACCESSORIES j 3 750 PIPE Choke Heat 1 355918 A a 3 750 PIPE Choke Air 1 355921 I l V l 4 l 1 1 GM PARTS DIVISION GENERAL MOTORS c0RPORATION cHEvROLET 10 REV 9 80 3 63 c 3 000 GROUP i