FUEL EXHAUST CARBURETION CHEVROLET I 1978 ROCHESTER 2BC See Model Reference for Application GROUP DESCRIPTION OTY 1 2 3 4 5 3 725 CARBURETOR Production 1 17058112 17058114 17058133 17058143 17058144 3 725 CARBURETOR Service 1 17055892 17055892 17055883 17055837 17055836 3 724 GASKET KIT 1 17052978 17052978 17055911 17055564 17055564 3 725 OVERHAUL KIT 1 17055338 17055338 17055912 17055590 17065129 3 725 POWER CARB KIT 1 7039327 7039327 7039355 7039336 7039336 3 730 AIR HORN 1 17055925 17055925 17055910 17055562 17055562 3 825 BALL pump discharge 1 7002117 7002117 7002117 7002117 7002117 3 826 BALL pump inlet check 7002120 7002120 NS 17050240 17050240 3 729 BODY ASM throttle 1 17055926 17055926 17058664 17055595 17055589 3 734 BOWL ASM float 1 17055931 17055931 17055909 17055594 17055588 3 459 BRACKET throttle return 1 3 444 BRACKET 81 WASHER solenoid NS 7042818 17056020 17061015 NS 3 766 CAM fast idle 1 7044039 7044039 17051176 17051250 17051250 3 750 CHOKE HOUSING KIT 1 17055540 17055540 17055913 17054720 17054720 3 814 CLIP float needle pull 1 NS NS 7033751 NS NS 3 838 CLIP pump 7005032 7005032 NS 7005032 7005032 3 838 CLIP pump rod 701 8186 7018186 NS 701 8186 7018186 3 820 COVER vent valve 17050272 17050272 3 740 ELBOW fuel inlet 7044035 7044035 NS 3 740 FILTER fuel inlet 1 5651802 5651802 5651803 5651802 5651802 3 740 FILTER NUT fuel inlet 1 17053408 17053408 17059861 17051765 17051765 3 745 FLOAT ASM 1 7037512 7037512 7043379 7037512 7037512 3 738 GASKET air horn 1 7045671 7045671 7045097 17050409 17050409 3 750 GASKET choke housing to throttle body 7043291 7043291 NS 7037796 7037796 3 740 GASKET filter nut 1 7032508 7032508 7024281 7032508 7032508 3 750 GASKET stat cover 1 17050961 17050961 NS NS NS 3 820 GASKET vent valve cover 17053051 17053051 3 825 GUIDE pump discharge 7000286 7000286 NS 7000286 7000286 3 822 IDLE NEEDLE AR 7048860 7048860 7048531 17057983 17057983 3 820 IDLE vent valve kit 17052733 17052733 3 806 INSERT aneroid cavity 1 NS NS 17051796 NS NS 3 734 INSERT float bowl 1 NS NS 7041471 NS NS 3 734 INSERT main well 7040320 7040320 NS 7037286 7037286 3 792 JET primary 1 7002652 7002652 7031974 7002647 7002647 3 766 LEVER cam follower 1 NS NS 7041497 NS NS 3 752 LEVER choke 1 17050766 17050766 7041546 NS NS 3 752 LEVER choke shaft 17050271 17050271 NS 7030796 7030796 3 752 LE ER choke valve adiusting r I 7047882 7047882 3 766 LEVER fast idle 1 NS NS 7041498 V NS V NS 3 752 LEVER inter choke 1 17050266 17050266 7031231 7060990 7030990 3 842 LEVER pump actuating 1 NS NS 7048169 NS NS 3 842 LEVER pump inside 7032377 7032377 NS 7032377 7032377 3 752 LEVER staL coil 1 NS NS 17056490 NS NS 3 755 LINK aux vac break 1 NS NS 3 755 LINK vacuum break choke sida 7040239 7040239 NS 3 755 LINK aux vacuum break choke side 7043157 7043157 3 755 LINK vacuum break throttle side 7038874 7038874 3 814 NEEDLE 81 SEAT 1 7035152 7035152 7085151 7035152 7035152 3 440 NUT solenoid retaining NS 7042654 7042654 7642654 NS 3 440 NUT throttle stop retaining 3 747 PIN float hinge 1 7002081 7002081 7041469 7002081 7002081 3 750 Pl ATE baffle 7037239 7037239 NS NS NS 3 856 POWER PISTON 1 7009054 7009054 17061056 7009054 7037811 3 858 POWER VALVE 7011989 7011989 NS NS NS 3 858 POWER VALVE aux mechanical 17051201 17050246 3 858 POWER VALVE vacuum 17060432 17060432 3 838 PUMP ASM bowl 1 7096282 7036282 7048874 17058976 17058976 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 1O 3 000 GROUP ce eo c REV S 78