1 FUEL EXHAUST CARBURETION I x 0227 CHEVROLET 1980 HOLLEY 2BC Continued See Model Reference for Application Y I GROUP DESCRIPTION DTV 1 2 3 4 5 3 790 RESTRICTION high speed bleed prim 1 6259099 6259093 6259093 6259093 6259093 3 790 RESTRICTION high speed bleed sec 1 14009789 14009789 14009789 14009789 14009789 3 752 RETAINER choke shaft Ivr 2 14012903 14012903 14012903 14012903 14012903 3 766 RETAINER choke spring 1 6259044 6259044 6259044 6259044 6259044 7 3 755 RETAINER diaphragm ring 1 14012902 14012902 14012902 14012902 14012902 I 3 752 RETAINER fast idle adi rod 1 3 752 RUD choke 1 14022270 14022270 14022270 14022270 14022270 3 768 ROD fast idle adj 1 14012909 14012909 14012909 14012909 14012909 I 3 752 RING thermo hsg ret 1 14022275 14022275 14022275 14022275 14022275 1 3 751 SCREW choke plate 4 335088 335088 335088 335088 335088 3 841 SCREW diaphragm adj 1 335070 335070 335070 335070 335070 3 858 SCREW duty cycle solenoid 1 3 766 SCREW fast idle adj 1 374812 374812 374812 374812 374812 3 766 SCREW idle adj sec 1 335089 335089 335089 335089 335089 1 3 766 SCREW idle stop 1 335097 335097 335097 335097 335097 3 825 SCRE N pump discharge I 14009783 14009783 14009783 14009783 14009783 I 3 752 SCREW thermo hsg ret ring 3 3 761 SCREW throttle Ivr 1 335087 335087 335087 3 730 SCREW Uw air horn 5 335094 335094 335094 335094 335094 3 751 SCREW 81 Uw choke hsg 2 335092 335092 335092 335092 335092 1 3 751 SCREW 81 L w choke hsg 1 335098 335098 335098 335098 335098 3 758 SCREW Uw diaphragm cover 3 335091 335091 335091 335091 335091 3 858 SCREW 81 Uw economizer 3 2285812 2285812 2285812 2285812 2285812 3 767 SCREW 81 L w fast idle adj Ivr 1 14022243 14022243 14022243 14022243 14022243 3 842 SCREW 81 L w pump cover 4 335098 335098 335098 335098 335098 l 3 842 SCREW L w solenoid 3 335098 335098 335098 335098 335098 3 750 SEAL choke hsg 0 ring 1 3 752 SEAL choke rod 1 335115 335115 335115 335115 335115 3 755 SEAL diaphragm 1 14009794 14009794 14009794 14009794 14009794 1 3 820 SEAL H I C valve 1 1 3 858 SEAL O ring 1 704344 704344 704344 704344 704344 l 3 764 SENSOR throttle 1 Q 3 752 SHAFT LEVER choke 1 14022242 14022242 14022242 14022242 14022242 Y 3 752 SHAFT LEVER choke hsg 1 374792 374792 374792 374792 374792 3 440 SOLENOID anti diesel 14012913 14012913 14012913 1 3 858 SOLENOID duty cyle 1 1 3 440 SOLENOID E A V 1 549244 549244 549244 549244 549244 3 755 SOLENOID BRACKET idle 1 3 755 SPRING diaphragm 1 10000704 10000704 10000704 10000704 10000704 3 841 SPRING diaphragm retum 1 345646 345646 345646 345646 345646 3 767 SPRING fast idle adj screw 1 14022269 14022269 14022269 14022269 14022269 3 766 SPRING fast idle cam 1 14012905 14012905 14012905 14012905 14012905 3 740 SPRING fuel inlet filter 1 374740 374740 374740 374740 374740 l 3 766 SPRING idle adj needle 1 14012906 14012906 14012906 14012906 14012906 I 3 766 SPRING idle stop screw 1 2285797 2285797 2285797 2285797 2285797 1 3 766 SPRING pump return 1 335130 335130 335130 335130 335130 3 761 SPRING throttle Ivr 1 14012944 14012944 14012944 3 763 SPRING throttle ret prim 1 3 750 THERMOSTAT CAP 1 14022274 14022274 14022274 14022274 14022274 3 786 TUBE main well prim 1 14022249 14022249 14022249 14022249 14022249 3 786 TUBE main well sec 1 14022248 14022248 14022248 14022248 14022248 I 3 858 VALVE owar 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 V 3 762 WASHER fast idle adj spring 1 I 3 762 WASHER oper 81 Ivr sac 1 4 3 764 WASHER pump cam sensor lever 1 3 782 WASHER shah leveling 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 t REV 9 80 3 177 c 3 000 GROUP