FUEL EXHAUST CARBURETION Parts in all columns same exce t where indicated CHEVROLET I 1977 ROCHESTER 2 BC Continued See Model Reference for Application GROUP DESCRIPTION DTV I3 14 15 16 17 18 FLOAT BOWL PARTS Continued I AT AU BF AZ BE BJ 3 825 BALL Pump Discharge 1 7002117 I 3 825 SPRING Pump Discharge 1 7002118 3 826 BALL Pump Inlet check 1 7002120 I 3 838 PUMP ASM I 7046028 7036282 7046028 7046028 7046028 7040028 I 3 841 SPRING Pump Return 1 7041141 I 3 858 POWER VALVE ASM 1 7011589 I THROTTLE BODY PARTS 3 726 INSULATOR Flange 1 335080 I 3 729 THROTILE BODY ASM I 17055333 17055336 17055333 17055333 17055333 17055333 3 741 SCREW Throttle Body 3 7015105 3 751 SCREW Idle Step 1 7029427 I 3 766 SPRING Idle Stop Screw 1 7041519 I 3 767 SCREW Cam Attach 1 7006222 3 806 IDLE NEEDLE 1 7048860 3 823 SPRING Idle Needle AR 7011479 3 838 CLIP Pump Red 1 7018186 I 3 843 PUMP ROD I 17050277 7041248 17050277 17050277 17050277 17050277 I ACCESSORIES 3 750 PIPE Choke Heat 1 355918 I V 3 750 PIPE Chnke Air 1 355922 I I I I I I I I J I I GM PARTS DIVISION GENERAL MOTORS CORPORATlON CHEVROLET 1O I REV 9 78 ca s1 c 3 000 GROUP