FUEL EXHAUST 4 CARBURETION C263 CHEVROLET 1980 ROCHESTER 2BC Continued See Model Reference for Application GROUP DESCRIPTION OTV 41 42 43 44 45 3 741 SCREW throttle body AR 17060653 17063590 17063590 17063590 17063590 3 454 SCREW throttle lever to body 4 1 4 3 444 SCREW throttle stop 1 17057276 3 755 SCREW vac brk attach 1 3 755 SCREW vac brk attach bottom 1 7045558 4 4 4 3 755 SCREW vac brk attach top I 7045470 4 4 4 4 3 730 SCREW vent stack attach 1 17061983 i 3 820 SCREW vent valve cover 1 4 3 790 SCREW venturi cluster bracket center 1 4 3 790 SCREW venturi cluster outer AR 3 752 SCREW wire clamp I 3 752 SEAL choke hsg to bowl 1 3 752 SEAL inter choke shaft dust 1 4 7037569 7037569 7037569 7037569 3 858 SEAL solenoid to float bowl 1 3 764 SENSOR throttle position 1 4 4 4 4 4 3 752 SHAFT ASM choke 1 4 7041234 7041234 7041234 7041234 3 752 SHAFT ASM inter choke 1 4444 3 750 SHAFT LEVER choke 1 7045494 4444 3 752 SHAFT LEVER ASM inter choke 1 7045451 17063458 17063458 17063458 17063458 3 842 SHAFT 8i LEVER pump 1 44 4 3 440 SOLENOID UNIT w brkt 1 4 4 17061769 4 17061769 3 440 SOLENOID idle stop 1 17061814 4 3 440 SOLENOID mixture control 1 44 4 3 766 SPRING cam lever 1 4 17051494 17051494 17051494 17051494 3 753 SPRING choke valve 1 4 3 766 SPRING fast idle screw 1 4 7029900 7029900 7029900 7029900 3 470 SPRING fuel filter L I 7032732 7032732 7032732 7032732 7032732 3 870 SPRING governor 1 4 4 3 823 SPRING idle needle AR 4 4 4 4 4 3 766 SPRING idle stop screw 1 4 7003176 7003176 7003176 7003176 3 810 SPRING metering rod prim 1 4 7041459 7041459 7041459 7041459 3 859 SPRING pwr piston 1 7025907 7037305 7037305 17052057 17052057 3 825 SPRING pump discharge 1 7002118 4444 3 841 SPRING pump return 1 7042979 7042979 7042979 7042979 7042979 3 764 SPRING sensor adjustment 1 4444 3 858 SPRING solenoid screw 1 4 4 4 4 3 858 SPRING solenoid rtn 1 4 4 4 4 4 3 766 SPRING throttle stop screw 1 7011479 4444 3 750 STAT COVER 8i COIL elect 1 17063188 4 4 4 4 3 750 STAT COVER COIL GASKET I 4 17064473 17064473 17064473 17064473 3 761 STOP UNIT carb throttle 1 4444 4 3 755 VACUUM BREAK BRACKET choke side aux 1 4 4 4 4 3 755 VACUUM BREAK BRACKET rear aux 1 4 4 4 4 4 3 755 VACUUM BREAK BRACKET Main throttle side 1 44444 3 755 VACUUM BRK BRKT primary 1 17058485 4444 3 755 VACUUM BRK 8i BRKT secondary 1 444 4 3 755 VACUUM BREAK CONTROL 8i BRACKET choke side 1 17063485 17063485 17063485 17063485 3 751 VALVE choke 1 17057199 7048904 7048904 7048904 7048904 3 820 VALVE idle air bleed 1 4 4 4 4 4 3 730 VENT STACK 1 17057496 4 4 4 4 3 786 VENTURI CLUSTER 1 4 444 3 823 WASHER idle needle spring 1 44 44 3 832 WASHER pump lever 1 44444 3 444 WASHER tab locking 1 7045479 4 4 4WAREl IOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS c0RP0RATI0N CHEvROLET I044 3 000 GROUP 3 214 c REV 5 81