FUEL EXHAUST CARBURETION Parts in all columns same except where indicated C125 CHEVROLET 1977 ROCHESTER 4BC See Model Reference for Application GROUP DESCRIPTION DTY 1 2 3 4 5 6 3 725 CARBURETDR ASM Prod 1 17057203 17057202 17057204 17057502 1705504 17057582 3 725 CARBURETDR ASM Service 1 17055123 17055122 17055122 17055124 17055124 17055137 3 725 OVERHAUL PKG 1 17053998 17053998 17053998 17055322 17055322 17055322 3 725 POWER CARBURETOR PKG 1 7039299 3 724 GASKET SET 1 17052991 AIR HORN PARTS 3 730 SCREW Air Horn 8 32 x 1 2 2 7031105 3 730 SCREW Air Horn 5 7014699 3 730 SCREW Air Hom 10 32 x 3 2 7029912 3 730 AIR HORN ASM 1 17052990 3 738 GASKET Air Horn 1 17051797 3 757 SPRING AND CAM PKG Air Valve 1 7Mi5344 3 805 HOLDER PKG Mtr Rod Secd 1 7034522 3 806 ROD Carb Metering Send 2 7045779 37806 ROD Carb Metering Primary 2 17051352 17051352 17051352 17051341 17051341 17051341 3 842 LEVER Pump Aotuating 1 7048169 CHOKE PARTS 3 750 RETAINER Stat Cover 3 7000614 3 750 GASKET Stat Cover 1 17050961 3 750 COIL AND GASKET Stat Cover 1 17051918 3 750 HOUSING PKG Choke 1 17055546 17055546 17055546 17055546 17055234 17055546 3 751 SCREW Choke Valve AR 7029866 3 751 VALVE Choke 1 7048904 3 752 LEVER Inter Choke 1 7031231 3 752 SCREW Choke Hsg Bowl 1 7038808 3 752 SCREW Coil Lever 1 7019709 3 752 SHAFT Choke 1 7038259 3 752 SEAL Choke Housing To Bowl 1 7043367 3 752 ROD Choke 1 7041472 3 752 LEVER Secondary Lockout 1 7041473 3 752 SEAL Inter Choke Shaft 1 7037569 3 752 LEVER Choke Coil 1 7041499 3 752 LEVER AND SHAFT Inter Choke 1 17050754 3 755 ROD Vacuum Brk 1 7041527 3 755 CONTROL AND BRACKET ASM Vac Brk 1 17050759 3 755 SCREW Control Attaching 2 17050732 3 766 CAM Fast Idle 1 17051176 3 842 LEVER Choke 1 7041542 FLOAT BOWL PARTS 3 734 FLOAT BOWL ASM 1 17055081 3 734 INSERT Float Bowl 1 7041471 3 740 FILTER Fuel Inlet 1 5651806 3 740 GASKET Hlter Nut 1 7024281 3 740 SPRING Fuel Filter 1 7043568 3 740 BAFFLE Float Bowl 1 7031365 3 740 NUT Fuel Inlet Filter 1 17051254 3 745 FLOAT ASM 1 7043379 4 3 747 HINGE PIN Float 1 7041469 3 766 SCREW Idle Stop 1 3960392 3 766 SPRING Idle Stop Screw 1 7003176 3 792 JET Primary 2 7031977 7031977 7031977 7031972 7031972 7031972 3 806 INSERT Aneroid Cavity 1 17051796 3 810 SPRING Metering Rod Primary 1 7041459 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 1 3 000 GROUP s ez c REV 9 80