FUEL EXHAUST CARBURETION Parts in all columns same except where indicated P128 PONTIAC 1977 ROCHESTER 4BC See Model Reference for Application GROUP DESCRIPTION OTY 7 8 9 10 11 12 BW BX BX BJ BK Al 3 725 CARBURETOR ASM Prod 1 17057550 17057553 17057266 17057255 17057256 17057502 3 725 CARBURETOR ASM Service 1 17055150 17055150 17055116 17055466 17055466 17067082 3 725 OVERHAUL PKG 1 17054955 17055223 17055322 3 725 POWER CARBURETOR PKG 1 17076031 17076031 17076030 17076031 17076031 17076028 3 724 GASKET SET 1 17055181 17055181 17052882 17055181 17055181 17052991 AIR HORN PARTS 3 730 SCREW Air Horn 8 32 x 1 2 2 17073293 3 730 SCREW Air Horn 5 17063591 3 730 SCREW Air Horn 10 32 x 3 2 17063592 3 730 AIR HORN ASM 1 17055216 17055216 17052990 3 738 GASKET Air Horn 1 17051797 3 757 SPRING AND CAM PKG Air Valve 1 7035344 3 806 HOLDER PKG Mtr Rod Secd 1 7034522 3 806 ROD Carb Metering Secd 2 7045984 7045984 7047806 7045984 7045984 7045779 3 806 ROD Carb Metering Primary 2 17056950 17056950 17053342 17051349 17051349 17051341 3 842 LEVER Pump Actuating 1 7048169 CHOKE PARTS 3 444 SCREW Aux Vac Brake 1 NS NS NS 17071386 17071386 NS 3 750 RETAINER Stat Cover 1 7000614 3 750 GASKET Stat Cover 1 17050961 3 750 COIL AND GASKET Stat Cover 1 17054309 17054309 17051956 17054309 17054309 17051918 3 750 HOUSING PKG Choke 1 17051955 17051955 17051996 17055095 17055095 17055546 3 751 SCREW Choke Valve and Lever AR 7029866 3 752 LEVER Inter Choke 1 7031231 3 752 LEVER Secondary Lockout 1 7041473 3 752 LEVER Choke 1 7041542 3 752 SCREW Choke Hsg Bowl 1 17073295 3 752 SCREW Coil Lever 1 7019709 3 752 SHAFT Choke 1 3 752 SEAL Choke Housing to Bowl 1 7043367 3 752 ROD Choke 1 17058457 3 752 VALVE Choke 1 7048904 7048904 7041558 7048904 7048904 7048904 3 752 SEAL Inter Choke Shaft 1 7037569 3 752 LEVER Choke Coil 1 7043368 7043368 7043368 7043368 7043368 7041499 3 752 LEVER AND SHAFT Inter Choke 1 7041492 7041492 17050754 7041492 7041492 17063458 3 755 ROD Vacuum Brk 1 7041527 3 755 LINK Aux Vacuum Blk 1 7043466 7043466 7043393 7043466 7043466 NS 3 755 CONTROL AND BRACKET ASM vac Blk 1 7044435 7044435 17054572 7044435 7044435 17050759 3 755 CONTROL AND BRACKET ASM Aux vac Brk 1 7044431 7044431 7043497 7044433 7044433 NS 3 755 SCREW Control Attaching 2 17073294 3 766 CAM Fast Idle 1 17056632 17056632 7041484 17056631 17056631 17051176 FLOAT BOWL PARTS 3 734 FLOAT BOWL ASM 1 17055217 17055217 17055081 3 734 INSERT Float Bowl 1 7041471 3 740 NUT Fuel Inlet Filter 1 7044951 7044951 7044951 7044951 7044951 17051254 3 740 FILTER Fuel Inlet 1 5651803 3 740 GASKET Filter Nut 1 7024281 3 740 SPRING Fuel Filter 1 7032732 7032732 7032732 7032732 7032732 7043568 3 740 BAFFLE Float Bowl 1 7031365 3 745 FLOAT ASM 1 7046300 7046300 7044332 7046300 7046300 7043379 3 747 HINGE PIN Float 1 7041469 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS PONTIAC 21 3 OOO GROUP 3 56 C REV 7 87