C175 CHEVROLET 1979 HOLLEY 2BC Continued See Model Reference for Application GROUP DESCRIPTION ITV 11 12 13 14 15 3 790 RESTRICTIUN high speed bleed prim 1 14009790 6259093 6259093 6259093 6259093 3 790 RESTRICTION high speed bleed sec 1 14009789 14009789 14009789 14009789 14009789 3 752 RETAINER choke shalt Ivr 4 2 14012903 14012903 14012903 14012903 14012903 3 766 RETAINER choke spring I 6259044 6259044 6259044 6259044 6259044 3 755 RETAINER diaphragm ring 1 14012902 14012902 14012902 14012902 14012902 3 752 RETAINER fast idle adj rod 1 3 752 ROD choke 4 44 4 4 I 14012910 14012910 14012910 14012910 14012910 3 768 ROD fast idle adj 1 14012909 14012909 14012909 14012909 14012909 3 752 RING thermo hsg ret 1 549264 549264 549264 549264 549264 3 751 SCREW choke plate 44 4 335088 335088 335088 335088 335088 3 841 SCREW diaphragm adj 1 3 766 SCREW fast idle adj 1 10003081 10003081 10003081 10003081 10003081 3 766 SCREW idle adj sec 4 1 360960 360960 360960 360960 360960 3 766 SCREW idle stop 1 335097 335097 335097 335097 335097 3 825 SCREW pump discharge 1 14009783 14009783 14009783 14009783 14009783 3 752 SCREW thermo hsg ret ring 3 549265 549265 549265 549265 549265 3 761 SCREW throttle Ivr 1 335087 335087 3 730 SCREW 81 L w air horn 4 5 335094 335094 335094 335094 335094 3 751 SCREW 81 L w choke hsg 2 335092 335092 335092 335092 335092 3 751 SCREW 81 L w choke hsg 1 335098 335098 335098 335098 335098 3 758 SCREW 81 L w diaphragm cover 3 335091 335091 335091 335091 335091 3 858 SCREW 81 L w economizer 3 2285812 2285812 2285812 2285812 2285812 3 767 SCREW 81 L w fast idle adj Ivr 4 1 3 842 SCREW 81 L w pump cover 4 335098 335098 335098 335098 335098 3 842 SCREW 81 L w solenoid 3 335098 335098 335098 335098 335098 3 750 SEAL choke hsg O ring 1 374833 374833 374833 374833 374833 3 752 SEAL choke rod 1 374752 374752 374752 374752 374752 3 755 SEAL diaphragm 1 3 820 SEAL H I C valve 1 A 3 858 SEAL O ring 1 704344 704344 704344 704344 704344 3 752 SHAFT 81 LEVER choke 1 14009780 14009780 14009780 14009780 14009780 3 752 SHAFT 81 LEVER choke hsg 1 374792 374792 374792 374792 374792 3 440 SOLENOID E A V 1 549244 549244 549244 549244 549244 3 755 SOLENOID 81 BRACKET idle 1 A 3 755 SPRING diaphragm 1 10000704 10000704 10000704 10000704 10000704 3 841 SPRING diaphragm return 1 345646 345646 345646 345646 345646 3 767 SPRING fast idle adj screw 1 374830 374830 374830 374830 374830 3 766 SPRING fast idle cam 1 14012905 14012905 14012905 14012905 14012905 3 740 SPRING fuel inlet filter 1 374740 374740 374740 374740 374740 3 766 SPRING idle adj needle 1 14012906 14012906 14012906 14012906 14012906 3 766 SPRING idle stop screw I 3 766 SPRING pump return 1 335130 335130 335130 335130 335130 3 761 SPRING throttle Ivr 1 14012944 14012944 3 763 SPRING throttle ret prim 1 r 3 750 THERMOSTAT 81 CAP 1 14012911 14012911 14012911 14012911 14012911 3 786 TUBE main well prim 1 14009785 14009785 14009785 14009785 14009785 3 786 TUBE main well sec 1 14009784 14009784 14009784 14009784 14009784 3 859 VALVE main feedback 1 3 792 VALVE main fuel metering 1 3 858 VALVE power 1 335113 335113 335113 335113 335113 3 755 WASHER diaphragm 3 755 WASHER diaphragm seal 1 3 768 WASHER fast idle adj Ivr 1 6259098 6259098 6259098 6259098 6259098 3 762 WASHER fast idle adj spring 1 A 3 762 WASHER oper 81 Ivr sec 1 3 762 WASHER shaft leveling 1 WAREHOU ING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPOR TION CHEVROLE I 10 REV 5 81 3 121 c 3 000 GROUP