FUEL EXHAUST CARBURETION Parts in all columns same except where indicated C113 CHEVROLET 1977 HOLLEY ZBC See Model Reference for Application GROUP DESCRIPTION OTY 7 8 9 10 3 725 CARBURETOR NO Prod 1 458108 458106 458112 458110 3 725 CARBURETOR NO Service 4 1 464057 464055 464108 464059 3 724 GASKET KIT Carb I 464101 3 725 OVERHAUL KIT 4 1 464103 464103 464104 464104 AIR HORN PARTS 3 730 SCREW Air Horn 5 335094 3 730 AIR HORN 1 464019 3 738 GASKET Air Horn 1 374770 THROTTLE BODY PARTS 3 726 GASKET Air Heat 1 331161 3 726 INSULATOR Carb Heat 1 331160 3 729 BODY ASM 1 NS NS NS NS 3 752 BUSHING Sec Oper Lvr I 335102 3 761 SCREW Throttle Lever 1 NS 335087 NS 335087 3 761 SPRING throttle lever 4 44 1 NS 347087 NS 347087 3 762 LEVER ASM Sec Oper 1 335144 3 762 LEVER AND BUSHING ASM Throt 1 345640 3 762 NUT Throttle Lvr Ret Pri 1 360975 3 762 WASHER Shaft Lv g Pri I 360982 3 762 WASHER Sec Oper Lvr 1 360983 3 762 WASHER throt Lvr Pri 1 6259096 3 763 SPRING Throt Return Pri 1 345645 3 766 SCREW Idle Stop 1 335097 3 766 LEVER Idle Stop 1 335145 3 766 SCREW Sec Idle Adj 1 360960 3 766 CAM AND HUB ASM Fast Idle 1 464095 3 766 SPRING Fast Idle Cam 4 1 374795 3 766 SCREW Fast Idle Adj 4 1 374812 3 766 SPRING Fast Idle Adj Scr 1 374830 3 766 SPRING Idle Adj Needle 1 2285797 3 766 RETAINER Spring 1 6259044 3 766 LEVER Fast Idle Adj 1 464065 3 766 LEVER Fast Idle Cam Pick Up I 464063 3 767 BUSHING Fast Idle Lever 1 335101 a 3 767 SCREW w LOCKWASHER Fast Idle Lvr 1 335095 3 768 ROD Fast Idle 1 345647 3 768 WASHER Fast Idle Adj Lever I 6259098 3 768 WASHER Fast Idle Lever Spring 1 335138 e CHOKE PARTS 3 750 HOUSING Choke Water 1 335122 3 750 GASKET Choke Water Housing 1 335099 3 750 GASKET Water Housing Ret Screw 1 464066 3 750 COVER ASM Choke Diaphragm 1 464088 3 750 HOUSING Carb Choke 1 360970 3 750 HOUSING ASM Thermostat 1 464099 3 750 SEAL Choke Housing O Ring 1 374833 3 750 RET RING Therm Housing I 335142 3 751 SCREW Choke Plate A R 335088 3 751 SCREW Thermo Hsg Ret 1 335090 3 751 SCREW w lockwasher Choke Housing 3 335092 3 752 SCREW Choke Water Housing Ret 1 360958 3 752 RETAINER Choke Pull Off Int I 360973 3 752 NUT choke Shaft 1 360976 3 752 ROD choke 1 335134 wAREI IOLIsING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET I0 3 000 GROUP aaa c REV 5 81