FUEL EXHAUST CARBURETl0N Parts in all columns same except where indicated CHEVROLET 1977 HOLLEY ZBC See Model Reference for Application GIIUUP DESCRIPTION OTV 1 8 9 10 Ac AE AJ A V 34725 CARBURETOR NO Prod l 1 458108 458106 458112 458110 34725 CARBURETOR N0 Service 4 44 1 464057 464055 464106 464059 I 3 724 GASKET KIT Carb 4 4 4 4 4 44 1 464101 e 3 725 OVERHAUL KIT 4 4 4 1 464103 464100 464104 464l04 V AIR HORN PARTS 34730 SCREW Air Horn 5 V 5 e g 3 730 AIR HORN 4 4 4 4 4 4 1 464019 3 738 GASKET Air Horn 4 444 1 V 374770 V V V THROTTLE BODY PARTS 3 726 GASKET Air Heat 4 1 331161 V 34726 INSULATOR Carh4 Heat 44 4 4 1 331160 34729 BODV ASM 44 4 4 4 44 1 NS NS NS NS 3 752 BUSHING Sec Oper Lvr 4 4 44 1 335102 e 3 761 SCREW Throttle Lever 4 1 NS 335087 NS 335087 3 761 SPRING throttle lever 4 I NS 347067 NS 347087 34762 LEVER ASM Sec4 Oper 4 4 1 335144 3 762 LEVER AND BUSHING ASM Throt 4 1 345640 V 3 762 NUT Throttle Lvr Flet Pri 44 4 1 360975 I 3 762 WASHER Shaft Lvl g Pri 1 360082 3 762 WASHER Sec Oper Lvr 4 l 360983 1 34752 INASHER thrnt Lvr Pri 44 44 4 I 5259995 3 763 SPRING Throt Return Pri 44 1 345645 I 34766 SCREW Idle Stop 44 444 4 1 335097 A 34766 LEVER Idle Stop 4 4 4 4 4 4 l 335145 3 766 SCREW Sec Idle AIS 1 360960 3 766 CAM AND HUB AS Fast Idle 4 4 1 464095 3 766 SPRING Fast Idle Cam 4 4 1 374795 3 766 SCREW Fast Idle Adj4 4 44 44 4 1 374812 3 765 SPRING Fest Idle Adi Scr 4 I 374930 3766 8PRINGT dIe Afd TI 1 e eTIIe 1 2Z86797 T 3 766 RETAINER Spring 4 4 4 4 1 6259044 3 766 LEVER Fast Idle Adi 4 4 I 464065 3 766 LEVER Fast Idle Cam Pick Up I 464063 3 767 BUSHING Fast Idle Lever 4 1 335101 3 767 SCREW w LOCKWASHER Fast I Idle Lvr 4 4 l 335095 3 768 ROD Fast Idle 4 4 4 1 345647 T 3 768 WASHER Fast Idle Adj Lever I 6259098 e 3 768 WASHER Fast Idle Lever Spring 1 335138 CHOKE PARTS 4 3 750 HOUSING Choke Water 4 4 1 335122 4 3 750 GASKET Choke Water Housing 4 1 335099 3 750 GASKET Water Housing Ret crew 4 1 464066 V 3 750 COVER ASM Choke Diaphragm I 464088 V 3 750 HOUSING Carb Choke 1 360970 3 750 HOUSING ASM Thermostat 1 464099 w 4 V 3 750 SEAL Choke Housing O Ring 44 1 374833 I 3 750 RET RING Therm Housing 1 335142 q 2 3 751 SCREW Choke Plate 4 A R V 335088 3 3 751 SCREW Thermo Hsg Ret 44 4 1 335090 2 3 751 SCREW w Iockwasher Choke Housing 4 4 4 4 3 335092 3 752 SCREW Choke Water Housing Ret 1 360958 I 34752 RETAINER Choke Pull Offlnt 4 4 1 360973 3 752 NUT choke Shaft 4 I 360976 V 34752 ROD choke 4 4 4 44 44 4 1 335134 V GM PARTS DIVISION GENERAL MOTORS c0RPORAT 0N cHEvROLET 10 3 000 GROUP s as c REV 9 78