FUEL EXHAUST CARBURETION I Parts in all columns same except where indicated I P123 PONTIAC 1977 ROCHESTER 2BC Continued See Model Reference for Application GROUP DESCRIPTION QTY 20 21 22 B0 BR BU 3 725 CARBURETOR N0 Prod 1 17057192 17057194 17057176 3 725 CARBURETOR NO Service 1 17055300 17055300 17055566 3 725 OVERHAUL KIT 1 3 725 POWER CARBURETOR KIT 1 17076087 17076087 17076016 3 724 GASKET SET 1 17052978 17052978 17055560 AIR HORN PARTS 3 730 SCREW Air Horn Short AR 7006119 7006119 NS 3 730 SCREW Air Horn Long AR 7010432 7010432 NS 3 730 SCREW Air Horn Vent Valve Cvr AR NS NS NS 3 730 AIR HORN ASM 1 17065256 17065256 3 738 GASKET Air Horn I 7045671 7045671 7045097 3 740 FILTER Fuel Inlet 1 5651802 5651802 5651803 3 747 PIN Float Lever Hinge 1 7002081 7002081 7041469 3 740 GASKET Filter Nut 1 7032508 7032508 7024281 3 740 SPRING Fuel Filter 1 17051764 17051764 7032732 3 740 NUT Fuel Filter Inlet 1 17053408 17053408 7044951 3 745 FLOAT ASM 1 7037512 7037512 7044332 3 820 COVER Vent Valve 1 NS NS NS 3 814 NEEDLE AND SEAT ASM 1 7035152 7035152 7035151 3 820 GASKET Vent Valve 1 NS NS NS 3 820 IDLE Vent Valve Kit 1 NS NS NS 3 842 WASHER Pump Lever 1 7019568 7019568 NS 3 842 LEVER Pump Inside 1 7032377 7032377 NS 3 842 LEVER Pump Actuating 1 NS NS 7048169 3 842 PUMP SHAFT AND LEVER ASM 1 7044029 7044029 NS 3 858 POWER PISTON ASM 1 7009054 7009054 7044419 3 740 ELBOW Fuel Inlet Nut 1 7044035 7044035 NS 3 730 SCREW AIR HORN PARTS Size 8 32 x 1 2 1 NS NS 17073293 CHOKE PARTS 3 750 RETAINER Stat Cover 3 7000614 W 3 750 BAFFLE PLATE Therm Cover 1 7037239 7037239 NS 3 750 GASKET Choke Housing 1 7043291 7043291 NS 3 750 SCREW Choke Housing AR 7043292 7043292 17073295 3 750 GASKET Stat Cover 1 17050961 3 750 STAT Cover Coil and Gasket 1 17052654 17052654 17055175 3 750 CHOKE Housing 1 17055540 17055540 17051996 3 751 SCREW Choke Valve 2 7007627 7007627 7029866 3 751 CHOKE Valve 1 7033443 7033443 7048904 3 752 SCREW Choke Lever 1 7019709 7019709 NS 3 752 LEVER Inter Choke 1 17050266 17050266 7031231 3 752 SHAFT Inter Choke 1 7043289 7043289 17063458 3 752 DUST SEAL Inter Choke Shaft 2 7037569 3 752 LEVER Choke Shaft 1 17050271 17050271 7041542 3 752 CHOKE SHAFT 1 7047797 7047797 3 752 CHOKE ROD 1 7043370 3 752 LEVER Stat Coil 1 NS NS NS 3 752 AUXILIARY CHOKE ROD 1 NS NS NS 3 752 SEAL Choke Housing to Bowl 1 NS NS 7043367 3 752 LEVER Choke 1 17050766 17050766 NS 3 752 CHOKE LEVER LINK AND CAM ASM 1 NS NS NS 3 755 SCREW Control Attach 2 7037570 7037570 17073294 3 755 LINK Vacuum Break 1 NS 3 755 LINK Aux Vacuum Break 1 NS NS 17056216 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS PONTIAC 21 3 OOO GROUP 3 50 C REV 7 87