FUEL EXHAUST CARBURETION C131 1978 HOLLEY ZBC See Model Reference for Application GROUP DESCRIPTION 0TY 1 2 3 4 5 3 725 CARBURETUR production 1 10001047 10004048 10001049 10004049 10005603 3 725 CARBURETUR service 1 10003283 10005129 10003283 10005129 10003285 3 724 GASKET KIT I 547030 547030 547030 547030 10003419 3 725 REPAIR KIT I 1 10003420 10003421 10003420 10003421 10003423 3 730 AIR HORN 1 10003510 10005285 10003510 10005285 3 814 BAFFLE fuel Inlet 10003462 3 814 BDBBIN spool 10003463 3 729 BODY ASM throttle 1 10003425 10003425 10003425 10003426 3752 BUSHING choke hsg lever pin 3 757 BUSHING fast Idle Ivr 1 335101 335101 335101 335101 335101 3 762 BUSHING second oper Ivr 1 335102 335102 335102 335102 335102 3 766 CAM fast Idle 1 549255 549255 549256 549256 549256 3 823 CAP Idle needle limiter 1 454085 464086 464086 464086 3820 CUMPENSATOR hot idle 1 549251 549251 549251 549251 549251 3 750 COVER choke diaphragm 1 549257 549257 549257 549257 549257 3 820 COVER Idle compensator 1 10000514 10000514 10000514 10000514 10000514 3 844 COVER pump I 335119 335119 335119 335119 335119 3 838 DIAPHRAGM pump 1 335123 335123 335123 335123 335123 3 755 DIAPHRAGM 8i NEEDLE 1 10005612 3 755 DIAPHRAGM 8i SHAFT 1 350972 360971 350972 350971 10005732 3 755 DIAPHRAGM 8I STEM 1 549242 549242 549242 549242 549242 3 858 ECONOMIZER power valve 1 10003424 10003424 10003424 10003424 3 740 FILTER fuel ll1l91 1 5651802 5551802 5651802 5651802 5651802 3 740 FITTING fuel inlet 1 335107 335107 335107 335107 335107 3 745 FLUAT ASM 1 335106 335106 335106 335106 335106 3 738 GASKET aIr horn 1 374770 374770 374770 374770 10003436 3 740 GASKET fuel Inlet fitting 1 374742 374742 374742 374742 374742 3814 GASKET needle seat fuel Inlet 1 549241 549241 549241 549241 374745 3 825 GASKET pump disc nozzle 2 374768 374768 374768 374768 374768 3 750 HOUSING thermostat 1 549261 549261 549261 549261 549261 375G HOUSING PLUG chuke I 549255 549255 549255 549255 549255 3 792 JET main meter brackets prim 1 464085 464085 464080 3 792 JET mam meter brackets sec 1 454080 464080 464080 464080 3 792 JET main meter sec I 3 765 LEVER fast idle ad 1 10003438 10003438 10003438 10003438 10003438 3 766 LEVER fast Idle cam 1 464063 454063 464063 464063 464063 3 766 LEVER Idle stop I 335145 335145 335145 335145 335145 3 762 LEVER sec operating 1 335144 335144 335144 335144 335144 3 762 LEVER vv bushing throttle I 549254 549254 549254 549254 549254 3 752 LOCKWASHER choke shaft nut 1 360984 360984 360984 360984 350984 3 882 NEEDLE Idle ad 1 10003435 10003435 10003435 10003435 3 814 NEEDLE SEAT fuel Inlet 1 549240 549240 549240 549240 10005613 3 774 NDZZLE pump discharge 1 549248 549248 A 10005290 3 752 NUT choke shaft 1 360976 360976 360976 360976 360976 3 762 NUT throttle Ivr ret prim 1 350975 360975 360975 360975 360975 3 762 NUT LOCKWASHER throttle 1 6259096 6259096 6259096 6259096 6259095 3 747 PIN float hinge 1 335116 335115 335115 335115 335116 3 751 PLATE choke 2 335081 10005286 335081 10005286 10005286 3 752 PLATE thermo hsg grd 1 549262 549262 549262 549262 3 775 PLUG idle needle 1 10005287 3 790 RESTRICTION high speed bleed prim 1 549243 549253 549243 549253 10005510 3 790 RESTRICTION high speed bleed Sec 1 464078 464078 454078 464078 464078 3 752 RETAINER choke shaft lvr 1 464091 464091 464091 464091 464091 3766 RETAINER choke sprung 1 6259044 6259044 6259044 6259044 6259044 3 755 RETAINER diaphragm ring 1 347751 374751 347751 374751 374751 WAFIEHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 10 3 000 GROUP 3 70 c REV 5 81