FUEL EXHAUST CARBURETION C239 CHEVROLET 1980 ROCHESTER ZBC Continued See Model Reference for Application GROUP DESCRIPTION OTY 1 2 3 4 5 3 741 SCREW throttle body i AR 17060653 17060653 17060653 17050653 17050653 3 454 SCREW throttle lever to body 1 3 444 SCREW throttle stop 1 17057275 17057275 17057276 17057275 17057275 3 755 SCREW vac brk attach 1 3 755 SCREW vac brk attach bottom 1 7045558 7045558 7045558 7045558 7045558 3 755 SCREW vac brk attach top 1 7045470 7045470 7045470 7045470 7045470 3 730 SCREW vent stack attach 1 17051983 17051983 17061983 17061983 17057179 3 820 SCREW vent valve cover 1 3 790 SCREW venturi cluster bracket center 1 3 790 SCREW venturl cluster outer AR 3 752 SCREW wire clamp 44 1 v 3 752 SEAL choke hsg to bowl 1 3 752 SEAL inter choke shaft dust 1 3 858 SEAL solenoid to float bowl 1 17057520 3 764 SENSOR throttle posItIon 1 3 752 SHAFT ASM choke 1 3 752 SHAFT ASM Inter choke 1 3 750 SHAFT LEVER choke 1 7045494 7045494 7045494 7045494 7045494 3 752 SHAFT LEVER ASM inter choke 1 7045451 7045451 7045451 7045451 7045451 3 842 SHAFT LEVER pump 1 3 440 SOLENOID UNIT w brkt 1 3 440 SOLENOID Idle stop 1 17061814 17061814 17061814 17051814 17061814 3 440 SOLENOID mixture control 1 17062172 3 756 SPRING cam lever 1 3 753 SPRING choke valve 1 3 756 SPRING fast Idle screw 1 3 470 SPRING fuel filter 1 7032732 7032732 7032732 7032732 7032732 3 870 SPRING governor 1 3 823 SPRING Idle needle AR 3 755 SPRING Idle stop screw 1 3 810 SPRING meterIng rod prim 1 3 859 SPRING pwr piston 1 7025907 7025907 7025907 7025907 3 825 SPRING pump drscharge 1 7002118 7002118 7002118 7002118 7002118 3 841 SPRING pump return 1 7042979 7042979 7042979 7042979 7042979 3 764 SPRING sensor adjustment 1 3 858 SPRING solenord screw 1 3858 SPRING SOIEIIDIO rtn 1 3 766 SPRING throttle stop screw 1 7011479 7011479 7011479 7011479 7011479 3 750 STAT COVER COIL elect 1 17051959 17051959 17051959 17051959 17051959 3 750 STAT COVER COIL GASKET 1 3 761 STOP UNIT carb throttle 1 3 755 VACUUM BREAK BRACKET choke srde aux 1 7 3 755 VACUUM BREAK 8I BRACKET rear aux 1 3 755 VACUUM BREAK 8 BRACKET Main throttle side 1 3 755 VACUUM BRK 8I BRKT primary 1 3 755 VACUUM BRK BRKT secondary 1 3 755 VACUUM BREAK CONTROL BRACKET choke side 1 17058485 17058485 17058485 17058485 17058485 3 751 VALVE choke I 7045276 7045276 7045276 7045276 7045276 3 820 VALVE idle air bleed 1 3 730 VENT STACK 1 17057496 17057496 17057496 17057496 17063314 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 7045479 7045479 7045479 7045479 F wAREHOusING AND DISTRIBUTION DIVISION OF GENERAL MOTORS cORP0RATION CHEvROLETA1O 3 000 GROUP 3 190 c REV 5 81