FUEL EXHAUST CARBURETION 0263 CHEVROLET 1980 ROCHESTER 2BC Continued See Model Reference for Application GROUP DESCRIPTION ITV 41 42 43 44 45 3 741 SCREW throttle body AR 17060653 17063590 17063590 17063590 17063590 3 454 SCREW throttle lever to body r 1 3 444 SCREW throttle stop r 1 17057276 3 755 SCREW vac brk attach 1 3 755 SCREW vac brk attach bottom 1 7045553 3 755 SCREW vac brk attach top 1 7045470 e 3 730 SCREW vent stack attach 1 17061983 3 820 SCREW vent valve cover 1 1 3 790 SCREW venturi cluster bracket center 1 3 790 SCREW venturi cluster outer AR 3 752 SCREW wire clamp 1 3 752 SEAL choke hsg to bowl 1 3 752 SEAL inter choke shaft dust 1 7037569 7037569 7037569 7037569 3 858 SEAL solenoid to float bowl 1 3 764 SENSOR throttle position I r 3 752 SHAFT ASM choke 1 7041234 7041234 7041234 7041234 3 752 SHAFT ASM inter choke 1 3 750 SHAFT LEVER choke A 1 7045494 3 752 SHAFT LEVER ASM inter choke 1 7045451 17063458 17063458 17063458 17063458 3 842 SHAFT LEVER pump 1 r 3 440 SOLENOID UNIT w brkt 1 17061769 17061769 3 440 SOLENOID idle stop 1 17061814 3 440 SOLENOID mixture control 1 3 766 SPRING cam lever 1 17051494 17051494 17051494 17051494 3 753 SPRING choke valve 1 3 766 SPRING fast idle screw 1 7029900 7029900 7029900 7029900 3 470 SPRING fuel filter 1 7032732 7032732 7032732 7032732 7032732 3 870 SPRING governor 1 3 823 SPRING idle needle AR 3 766 SPRING idle stop screw 1 7003176 7003176 7003176 7003176 3 810 SPRING metering rod prim 1 7041459 7041459 7041459 7041459 3 859 SPRING pwr plston 1 7025907 17052057 17052057 17052057 17052057 3 825 SPRING pump discharge Q 1 7002118 3 341 SPRING pump return 1 7042979 7042979 7042979 7042979 7042979 3 764 SPRING sensor adjustment 1 3 858 SPRING solenoid screw 1 3 856 SPRING solenoid rtn 1 3 766 SPRING throttle stop screw 1 7011479 3 750 STAT COVER 3i COIL elect 1 17063188 v 3 750 STAT COVER COIL GASKET 1 17064473 17064473 17064473 17064473 3 761 STOP UNIT carb throttle 1 3 755 VACUUM BREAK BRACKET choke side aux 1 3 755 VACUUM BREAK BRACKET rear aux 1 3 755 VACUUM BREAK BRACKET Main throttle side I 3 755 VACUUM BRK 81 BRKT prima 1 17058485 3 755 VACUUM BRK BRKT seconlxery 1 3 755 VACUUM BREAK CONTROL Y BRACKET choke side 1 17063485 17063485 17063485 17063485 3 751 VALVE choke 1 17057199 7048904 7048904 r 7048904 7048904 3 820 VALVE idle air bleed 1 3 730 VENT STACK 1 17057496 3 786 VENTURI CLUSTER 1 3 823 WASHER idle needle spring 1 3 832 WASHER pump lever 1 3 444 WASHER tab locking 1 7045479 GM PARTS Division GENERAL MOTORS CORPORATl0N CHEVROLET I0 3 000 GROUP 214 c REV 9 so