I FUEL EXHAUST CARBURETION I CHEVROLET 1979 HOLLEY 2BC Continued I See Model Reference for Application GROUP DESCRIPTION DTV 1 Z 3 4 5 3 755 RETAINER diaphragm ring 1 140l2902 14012902 l4012902 14012802 l4012802 3 752 RETAINER fast idle adj rod 1 3 752 ROD choke I 14012810 l4012910 14012810 l40l29i0 140129l0 3 768 ROD fast idle adj 1 14012908 l40l2809 14012809 l4012908 14012909 3 752 RING thermo hsg ret 1 549264 549264 549264 549264 548264 3 751 SCREW choke plate 4 335088 335088 335088 335088 335088 3 841 SCREW diaphragm adj 1 3 766 SCREW fast Idle adj 1 374812 374812 374812 374812 374812 3 766 SCREW idle adj sec I 335088 335089 335089 335088 335089 3 766 SCREW idle stop 1 335097 335097 335087 335097 335097 3 825 SCREW pump discharge 1 14D09783 14008783 14009783 14009183 140D9783 3 752 SCREW thermo hsg ret ring 3 549265 549265 549265 549265 549265 I 3 761 SCREW throttle Ivr 1 335087 335087 335087 3 730 SCREW L w air horn 5 335084 335094 335084 335094 335094 I 3 751 SCREW L w choke hsg 2 335092 335092 335082 335092 335092 3 751 SCREW L w choke hsg 1 335098 335098 335098 335088 335088 I 3 758 SCREW L w diaphragm cover 3 335091 335091 335091 335091 335091 3 858 SCREW L w economizer 3 2285812 2285812 2285812 2285812 2285812 3 767 SCREW L w fast idle adj Ivr 1 3 842 SCREW L w pump cover 4 335098 335098 335098 335098 335098 I 3 842 SCREW L w solenoid 3 335098 335098 335098 335088 335088 3 750 SEAL choke hsg O rIng I 374833 374833 374833 374833 374833 I 3 752 SEAL choke rod 1 374752 374752 374752 374752 374752 I 3 755 SEAL diaphragm 1 I 3 820 SEAL H C valve 1 I 3 858 SEAL O ring I 704344 704344 704344 704344 704344 3 752 SHAFT LEVER choke 1 14008780 14008780 14009780 14009780 14008780 3 752 SHAFT 8t LEVER choke hsg 1 374792 374792 374792 374792 374792 I 3 440 SOLENOID E A V I 1 549244 549244 548244 549244 549244 3 755 SOLENOID 8t BRACKET idle 1 3 755 SPRING diaphragm 1 10000704 10000704 10000704 10000704 10000704 3 841 SPRING diaphragm return 1 345646 345646 345646 345646 345646 I 3 767 SPRING fast idle adj screw 1 374830 374830 374830 374830 374830 3 766 SPRING fast idle cam 1 14012805 14012905 14012905 14012905 14012905 3 740 SPRING fuel Inlet filter I 374740 374740 374740 374740 374740 3 766 SPRING idle adj needle 1 14D12906 14012906 14012906 14012906 14012906 I 3 766 SPRING idle stop screw 1 3 766 SPRING pump return 1 335130 335130 335130 335130 335130 I 3 761 SPRING throttle Ivr I 347087 347087 347087 3 763 SPRING throttle ret prim 1 3 750 THERMOSTAT 8t CAP 1 140l2911 140129l1 l401291l 14012811 14012811 I 3 786 TUBE main well prim 1 14009785 14009785 l4009785 14009785 14009785 I 3 786 TUBE main well Sec I 14009784 14009784 14009784 14009784 14008784 I 3 858 VALVE power 1 335113 335113 335113 335113 335113 3 755 WASHER diaphragm I 3 755 WASHER diaphragm seal 1 I 3 768 WASHER fast idle adj Ivr 1 6259088 6259098 6259098 6258088 6259098 I 3 762 WASHER fast idle adj spring 1 I 3 762 WASHER oper 84 Ivr sec 1 I 3 762 WASHER shalt leveling 1 I I I I GM PARTS DIVISION GENERAL MOTORS CORPORATlON CHEVROLET 10 I I REV 9 78 3 115 c 3 000 GROUP l I