1957 ROCHESTER PRODUCTS J 2 CARBURETORS Parts are shown for identification only Consult group sequence listing in catalog for correct part ni Group Part Group Part Group Key No No Part Name Key No No Part Name Key No 1 3 738 7000299 Gasket Air Horn 32 3 752 7004748 Pin Choke Piston 63 3 838 2 3 730 7010432 Screw Air Horn Large 33 3 750 7008848 Retainer Thermostat Cover 64 3 752 3 3 730 7008119 Screw Air Horn Small 34 3 750 7000614 Retainer Thermostat Cover 85 3 761 4 8 931 120217 Lockwasher Air Horn Screw 35 3 750 7030424 Screw Thermostat Cover 66 3 788 5 3 842 7000266 Lever Pump Inside 38 3 734 7002814 Plug Ball 87 3 788 8 3 842 7000263 Lever Shaft Pump Outside 37 3 750 7003135 Plug Welsh Large 88 3 763 Front Rear Carb 38 3 750 7006475 Plug Welsh Small 0 7 3 842 7011297 Lever Shaft Pump Outside 39 3 841 7004597 Spring Pump Return 69 3 729 0 r Center Carb 0 40 3 825 7000286 Guide Pump Discharge 3 729 8 3 750 7030424 Screw Pump Lever 41 3 825 7002118 Spring Pump Discharge 3 729 00 W 9 3 838 7000278 Pump Assy 42 3 825 7002117 Ball Pump Discharge 70 3 762 2 10 3 752 7005032 Clip Pump Rod 43 3 826 7002120 Ball Pump intake 71 3 762 W n 11 3 730 7011381 Air Horn Front Carb 44 3 841 7004557 Screen Pump inlet 72 N L 3 730 7011380 Air Horn Center Carb 45 3 734 7011088 Float Bowl Front Rear Carb 73 3 822 c 3 730 7011087 Air Horn Rear Carb 3 734 7011089 Float Bowl Center Carb 74 3 823 m 12 3 858 7011478 Piston Power Center Carb 46 3 790 7000292 Gasket Venturi Cluster 75 3 726 13 3 745 7000273 Float Lever Assy 47 3 786 7010972 Cluster Venturi Front Rear Carb 78 3 764 i 00 r y o 14 3 747 7002081 Pin Float Lever Hinge 3 786 7011052 Cluster Venturf Center Carb 77 3 765 0 15 3 814 7009458 Needle Seat Gasket 48 3 786 7000293 Screw Venturi Cluster Outer 78 3 785 01 16 3 858 7001613 Gasket Needle Seat 49 3 786 7000294 Screw Venturi Cluster Center 79 8 915 17 3 740 7006079 Screen Intake Needle 50 3 786 7000295 Gasket Cluster Center Screw 80 8 931 18 3 763 7010971 Pin Throttle Return 51 8 931 121841 Lockwasher Cluster Screw 81 3 765 19 3 750 7007502 Gasket Choke Housing 52 3 792 7002658 Jet Metering Center Carb 82 3 762 20 3 750 7011502 Housing Piston Inc No 31 3 792 7002659 Jet Metering Front Rear Carb 83 3 762 21 3 750 7004821 Screw Choke Housing 53 3 858 7009349 Valve Assy Power 84 3 782 22 3 750 7006643 Plate Choke Baffle 54 3 858 7001613 Gasket Power Valve 85 3 762 23 3 750 7002760 Gasket Thermostat Cover 55 3 752 7005817 Rod Choke 86 3 762 24 3 750 7011382 Cover Coil Thermostat 56 3 766 7011346 Cam Fast Idle 87 3 762 25 3 752 1875051 Screw Choke Trip Lever 57 3 762 7011496 Lever Lockout 88 3 782 26 3 752 7011014 Lever Choke Trip 58 N L Screw Lever Cam Attach 89 3 440 27 3 752 7009248 Lever Collar Choke 59 3 735 7011326 Gasket Throttle Body 90 3 440 28 3 751 7000255 Valve Choke 60 3 729 7005188 Screw Throttle Body 91 N L 29 3 751 7007627 Screw Choke Valve 81 8 931 121744 Lockwasher Throttle Body Screw 92 3 442 30 3 752 7000253 Shaft Lever Choke 62 3 838 7011005 Rod Pump Front Carb 31 N S S Piston Choke Part of No 20 3 838 7011627 Rod Pump Center Rear Carb