FUEL EXHAUST CARBURETION L1 I7 1978 HOLLEY 2BC See Model Reference for Application GROUP DESCRIPTION DTY 1 2 3 4 5 3 725 CARBURETOR production 1 10001047 10004048 10001049 10004049 10005603 3 725 CARBURETOR service 1 10003283 10005129 10003283 10005129 10003286 3 724 GASKET KIT 1 547030 547030 547030 547030 10003419 3 725 REPAIR KIT 1 10003420 10003421 10003420 10003421 10003423 3 730 AIR HORN 1 10003510 10005285 10003510 10005285 3 814 BAFFLE fuel inlet 10003462 3 814 BOBBIN spool 10003463 3 729 BODY ASM throttle 1 3 752 BUSHING choke hsg lever pin 3 767 BUSHING fast idle Ivr 1 335101 335101 335101 335101 335101 3 762 BUSHING second oper lvr 1 335102 335102 335102 335102 335102 3 766 CAM fast idle I 549256 549256 549256 549256 549256 3 823 CAP idle needle limiter 1 464086 464086 464086 464086 3 820 COMPENSATOR 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 1 335119 335119 335119 335119 335119 3 838 DIAPHRAGM pump 1 335123 335123 335123 335123 335123 3 755 DIAPHRAGM NEEDLE I 3 755 DIAPHRAGM 81 SHAFT 1 360972 360971 360972 360971 10005732 3 755 DIAPHRAGM gl STEM 1 14012901 14012901 14012901 14012901 14012901 3 858 ECONOMIZER power valve 1 3 740 FILTER fuel inlet 1 5651802 5651802 5651802 5651802 5651802 3 740 FITTING fuel inlet 1 335107 335107 335107 335107 335107 3 745 FLOAT 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 3 814 GASKET needle 81 seat fuel inlet 1 3 825 GASKET pump disc nozzle 2 374768 374768 374768 374768 374768 3 750 HOUSING thermostat 1 549261 549261 549261 549261 549261 3 750 HOUSING PLUG choke 1 549255 549255 549255 549255 549255 3 792 JET main meter brackets prim 1 464085 464085 3 792 JET main meter brackets sec 1 3 792 JET main meter sec 1 3 766 LEVER fast idle adj 1 10003438 10003438 10003438 10003438 10003438 3 766 LEVER fast idle cam 1 464063 464063 464063 464063 464063 3 766 LEVER idle stop 1 335145 335145 335145 335145 335145 3 762 LEVER sec operating 1 335144 335144 335144 335144 335144 3 762 LEVER vv bushing throttle 1 549254 549254 549254 549254 549254 3 752 LOCKWASI IER choke shaft nut 1 360984 360984 360984 360984 360984 3 882 NEEDLE idle ad 1 10003435 10003435 10003435 10003435 3 814 NEEDLE 81 SEAT fuel inlet 1 10005613 10005613 10005613 10005613 10005613 3 774 NOZZLE pump discharge 1 549248 549248 10005290 3 752 NUT choke shaft I 360976 360976 360976 360976 360976 3 762 NUT throttle lvr ret prim 1 360975 360975 360975 360975 360975 3 762 NUT 81 LOCKWASHER throttle 1 6259096 6259096 6259096 6259096 6259096 3 747 PIN float hinge 1 335116 335116 335116 335116 335116 3 751 PLATE choke 2 10005286 10005286 10005286 10005286 10005286 3 752 PLATE thermo hsg grd I 549262 549262 549262 549262 3 775 PLUG idle needle 1 10005287 3 790 RESTRICTION high speed bleed prim 1 374748 374748 10005610 3 790 RESTRICTION high speed bleed sec 1 464078 464078 464078 464078 464078 3 752 RETAINER choke shaft lvr 1 464091 464091 464091 464091 464091 3 766 RETAINER choke spring I 6259044 6259044 6259044 6259044 6259044 3 755 RETAINER diaphragm ring 1 14012902 14012902 14012902 14012902 14012902 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS OLDSMOBIl E 31 3 OOO GROUP 3 58 C REV 7 87