FUEL EXHAUST CARBURETION B305 BUICK 1980 ROCHESTER 2BC Continued I T See Model Reference for Application GROUP DESCRIPTION DTY 49 50 51 52 3 741 SCREW throttle body AR 17060653 17060653 17063590 17063590 3 454 SCREW throttle lever to body 1 3 444 SCREW throttle stop I 17057276 17057276 3 755 SCREW vac brk attach 1 7045470 7045470 3 755 SCREW vac brk attach bottom 1 7045558 3 755 SCREW vac brk attach top 1 7045470 7045470 3 730 SCREW vent stack attach 1 17057179 17057179 3 820 SCREW vent valve cover 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 V 3 752 SEAL inter choke shaft dust 1 17058488 17058488 3 858 SEAL solenoid to float bowl 1 17057520 17057520 3 764 SENSOR throttle position 1 17061989 17061989 17067351 17067351 3 752 SHAFT ASM choke 1 7041234 7041234 3 752 SHAFT ASM inter choke 1 3 750 SHAFT LEVER choke 1 7045256 7045256 3 752 SHAFT LEVER ASM inter choke 1 17060997 17060997 17063458 17063458 3 842 SHAFT LEVER pump 1 3 440 SOLENOID UNIT w brkt 1 3 440 SOLENOID idle stop 1 17060708 17067985 17067986 3 440 SOLENOID mixture control F 1 17066911 17066911 17063279 17063279 3 766 SPRING cam lever 1 17051494 17051494 3 753 SPRING choke valve 1 3 766 SPRING fast idle screw 1 7029900 7029900 3 470 SPRING fuel filter I 7032732 7032732 7032732 7032732 3 870 SPRING governor 1 3 823 SPRING idle needle AR 3 766 SPRING idle stop screw 1 17059461 17059461 3 810 SPRING metering rod prim 1 17057068 17057068 I 3 859 SPRING pwr piston 1 3 825 SPRING pump discharge 1 7002118 7002118 3 841 SPRING pump return 1 17060690 17060690 7042979 7042979 I 3 764 SPRING sensor adjustment 1 17058407 17058407 3 858 SPRING solenoid screw 1 17062262 17062262 3 858 SPRING solenoid rtn 1 17057074 17057074 3 766 SPRING throttle stop screw 1 7011479 7011479 3 750 STAT COVER COIL elect 1 17062597 17062597 17070062 17070062 3 750 STAT COVER COIL GASKET I 1 3 761 STOP UNIT carb throttle 1 3 755 VACUUM BREAK ASM aux 1 I 17060518 17060518 I 3 755 VACUUM BREAK ASM primary 1 17062342 3 755 VACUUM BREAK BRACKET choke side aux I 1 3 755 VACUUM BREAK BRACKET rear aux 1 3 755 VACUUM BREAK BRACKET Main throttle side I 3 755 VACUUM BRK BRKT primary I 17062344 3 755 VACUUM BRK BRKT secondary 1 17062339 17062339 3 755 VACUUM BREAK CONTROL BRACKET choke side 1 17064917 17064917 3 751 VALVE choke 1 17057199 17057199 7048904 7048904 3 820 VALVE idle air bleed 1 17063921 17063921 3 730 VENT STACK 1 17063314 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 7o45479 WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORAT ON BUICK 41 3 000 GROUP 3 142 c REV 5 81