FUEL EXHAUST CARBURETION Parts in all columns same except where indicated C121 CHEVROLET 1977 ROCHESTER 2 BC Continued See Model Reference for Application GROUP DESCRIPTION OTY 13 14 15 16 17 18 FLOAT BOWL PARTS Continued 3 825 BALL Pump Discharge I 7002117 v 3 825 SPRING Pump Discharge 1 7002118 3 826 BALL Pump Inlet check 1 7002120 3 838 PUMP ASM 1 7046028 7036282 7046028 7046028 7046028 7046028 3 841 SPRING Pump Return 1 7041141 3 858 POWER VALVE ASM I 7011989 THROTTLE BODY PARTS 3 726 INSULATOR Flange 1 336060 3 729 THROTTLE BODY ASM 1 17055333 17055336 17055333 17055333 17055333 17055333 3 741 SCREW Throttle Body 3 7015105 3 761 SCREW Idle Stop 1 7029427 3 766 SPRING Idle Stop Screw I 7041519 3 767 SCREW Cam Attach 1 7036222 3 806 IDLE NEEDLE 1 7048860 3 823 SPRING Idle Needle AR 7011479 3 838 CLIP Pump Rod 1 7018186 3 843 PUMP ROD 1 17050277 7041249 17050277 17050277 17050277 17050277 ACCESSORIES 3 750 PIPE Choke Heat 1 355918 3 750 PIPE Choke Alr 1 355922 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT 0N CHEVROLET IO REV 5 81 3 57 c 3 000 GROUP