FUEL EXHAUST CARBURETION Parts in all columns same except where indicated G126 CHEVROLET 1977 ROCHESTER 4BC Continued See Model Reference for Application GROUP DESCRIPTION 1TY 1 2 3 4 5 6 FLOAT BOWL PARTS Continued 3 814 PULL CLIP Float Needle 1 7033751 3 814 NEEDLE AND SEAT ASM 1 7035134 Y 3 825 BALL Pump Discharge I 7002117 3 825 RETAINER Pump Discharge 1 7029849 3 838 PUMP ASM Carb 1 17051374 3 841 SPRING Pump Return 1 7042979 E 3 843 ROD Pump 1 7026138 4 3 858 POWER P STON ASM I 17051792 4 Y A 3 859 SPRING Power Piston 1 7029529 7029529 7029529 7036019 7036019 7036019 THROTTLE BODY PARTS 3 726 INSULATDR Carb Heat 1 354310 W A 3 726 INSULATOR Flange 1 354310 r 3 729 THROTTLE BODY ASM 1 17054406 17054405 17054405 17054405 17054405 17054405 3 741 SCREW Throttle Body 3 7035790 A 3 766 LEVER Cam Follower 1 7041497 Y 3 766 SPRING Fast Idle Screw 1 7029900 V 3 766 SCREW Fast Idle Adj 1 7044794 A V 3 766 LEVER Fast Idle 1 7041498 3 766 SPRING Cam Lever 1 17051494 AAAAA 3 767 SCREW Fast Idle Lever Attach 1 7036079 3 822 NEEDLE Idle 2 7048531 V 3 823 SPRING Idle Needle 2 7011479 ACCESSORIES 3 750 PIPE Choke Heat 1 355918 V 3 750 PIPE Choke Air 1 355921 WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS c0RP0RATioN cREvR0LET 1oL REV 5 81 3 63 c 3 000 GROUP