FUEL EXHAUST CARBURETION B120 I BUICK 1978 ROCHESTER 2BC Continued See Model Reference for Application GROUP DESCRIPTION OTY 16 17 18 19 20 3 852 RETAINER pump discharge ball 3 750 RETAINER stat cover AR 7000614 7000614 7000614 7000614 7000614 3 752 ROD choke 1 7043278 7043278 7043278 7043278 7043278 3 752 ROD aux choke 7043001 7043001 7043001 7043001 7043001 3 752 ROD inter choke 1 NS NS NS 3 843 ROD pump 1 7038799 7038799 7038799 7038799 7038799 3 806 ROD ASM metering prim 3 730 SCREW air horn long AR 7010432 7010432 7010432 7010432 7010432 3 730 SCREW air horn short AR 7006119 7006119 7006119 7006119 7006119 3 755 SCREW aux vac break 3 444 SCREW bracket attach 1 I 7043682 3 767 SCREW cam attaching 1 7036222 7036222 7036222 7036222 7036222 3 750 SCREW choke hsg to bowl AR 7013704 7013704 7013704 7013704 7013704 3 752 SCREW choke lever 1 7019709 7019709 7019709 7019709 7019709 3 751 SCREW choke valve AR 7007627 7007627 7007627 7007627 7007627 3 752 SCREW coil lever 1 3 755 SCREW control attach AR 7037570 7037570 7037570 7037570 7037570 3 766 SCREW fast idle adj 4 767 SCREW fast idle lever I 3 761 SCREW idle stop 1 7029427 7029427 7029427 7029427 7029427 3 752 SCREW inter choke lever 7019709 7019709 7019709 7019709 7019709 3 444 SCREW solenoid bracket NS 7043682 7043682 NS 3 741 SCREW throttle body AR 7015105 7015105 7015105 7015105 7015105 3 820 SCREW vent valve cover 7015127 7015127 7015127 7015127 7015127 3 790 SCREW venturi cluster bracket center 1 7009077 7009077 7009077 7009077 7009077 3 790 SCREW venturi cluster outer AR 7045762 7045762 7045762 7045762 7045762 3 752 SEAL choke hsg to bowl 3 752 SEAL inter choke shaft dust 1 NS NS NS 3 752 SHAFT ASM choke 1 17050404 17050404 17050404 17050404 17050404 3 752 SHAFT ASM inter choke 1 7037227 7037227 7037227 7037227 7037227 3 752 SHAFT LEVER ASM inter choke 3 842 SHAFT LEVER pump 1 17052510 17053815 17053815 17053815 17053815 3 440 SOLENOID UNIT w brkt I 3 440 SOLENOID idle stop 1 NS 17052388 17052388 NS 17052388 3 766 SPRING cam lever 3 766 SPRING fast idle screw 3 740 SPRING fuel filter 1 7032732 7032732 7032732 7032732 7032732 3 823 SPRING idle needle AR 7011479 7011479 7011479 7011479 7011479 3 766 SPRING idle stop screw 1 7029428 7029428 7029428 7029428 7029428 3 810 SPRING metering rod prim 3 859 SPRING pwr piston 3 825 SPRING pump discharge 1 7002118 7002118 7002118 7002118 7002118 3 841 SPRING pump return 1 17050241 17050241 17050241 17050241 17050241 3 750 STAT COVER COIL elect 17054594 17054594 17054594 17054594 17054594 3 750 STAT COVER COIL GASKET 1 NS NS NS 3 761 STOP UNIT carb throttle 3 755 VACUUM BREAK BRACKET choke side aux 7049893 7049893 7049893 7049893 7049893 3 755 VACUUM BREAK BRACKET rear aux 3 755 VACUUM BREAK BRACKET main throttle side 7043585 7043585 7043585 7043585 7043585 3 755 VACUUM BREAK CONTROL BRACKET choke side 1 NS NS NS 3 751 VALVE choke 1 7033443 7033443 7033443 7033443 7033443 3 786 VENTURI CLUSTER I 17060503 17060670 17060498 17060498 17060949 3 832 WASHER pump lever 1 7019568 7019568 7019568 7019568 7019568 3 444 WASHER tab locking 1 NS 7042653 7042653 NS 7042653 WAREI IOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUIcI 41 REV 5 81 3 57 c 3 000 GROUP