4 256 GOVERNOR ASSY GASKET GEAR UNIT PlN PLUG R NG SCREW SHAFT SPRING VALVE WE GHT ASSY Transmission 53 54 Pass w P G 3717077 1 55 57 Pass w P G exc dual 4BC 3713678 1 56 57 Pass P G w dual 4BC A 59 Pass P G w F 60 Pass w H L Cam 61 Pass w H Per 3771949 1 58 61 Pass w P G exc H L Cam H Per Taxi 62 Pass w P G exc 327 Taxi 3771946 1 62 Pass w P G 327 exc H Pen 63 64 Pass w P G exc 327 H Per 409 3850510 1 Note 1 NOTE 1 Not used on 283 engine when the transmission code ends with the letter L 62 Pass P G w H Per 327 63 64 Pass P G w 327 H Per 409 3850511 1 Note 2 NOTE 2 When using on 1st design 1962 models with rear pump casting No 3789026 it will be necessary to use rear pump 3818871 53 62 Pass w P G exc 327 3702696 1 GASKET cover one 3 four holes 62 Pass w P G 327 1st design 3789047 1 GASKET governor use w governor w casting No 3789045 62 Pass w P G 327 2nd design 63 64 Pass w P G 3818935 1 GASKET governor use w governor w casting No 3818876 55 62 Pass w P G exc 327 3711625 1 GEAR UNIT w 1 pin 53 61 Pass w P G 455346 1 PIN gear and sleeve Vu x 8 939 53 62 Pass w P G exc 327 3702148 2 PIN weight O90 dia x 1 55 62 Pass w P G 3771956 1 PLUG governor thrust 53 54 Pass w P G 3817715 3 RING governor sleeve oil seaI 4 123 55 64 Pass w P G 3689808 2 RING hub oil seaI 4 169 62 Pass w P G 327 9414875 1 RING governor inner weight retainer 8 934 62 Pass w P G 327 63 Pass w P G exc 409 327 H Per 64 Pass w P G 3798068 A R RING inner weight to conn shaft retainer governor valve to conn shaft retainer dia 62 Pass w P G 327 63 64 Pass w P G 3789048 1 SCREW hub drive 62 Pass w P G 327 63 64 Pass w P G 3856672 4 SCREW governor body to trans governor hub screw and lock washer 20 x 1 062 62 Pass w P G 327 63 Pass w P G exc 409 327 H Per 64 Pass w P G 1st design 3789049 1 SHAFT governor connector 64 Pass w P G 2nd design 3850517 1 SHAFT governor connector 62 Pass w P G 327 63 64 Pass w P G 3815089 2 SPRING governor damping 62 Pass w P G 327 63 64 Pass w P G 1st design 3830228 1 VALVE governor use w governor w casting No 3818876 64 Pass w P G 2nd design 3850516 1 VALVE governor 62 Pass w P G 327 exc H Per 63 64 Pass w P G exc 327 H Per 409 1st design 3789051 1 WEIGHT ASSY governor 62 64 Pass P G w H Per 327 409 64 Pass w P G 327 409 exc low comp 3850513 1 WEIGHT ASSY governor 64 Pass w P G exc 327 H Per 409 Police 2nd design 3850512 1 WEIGHT ASSY governor 4 265 BODY ASSY GASKET PIN RETAINER RING SCREEN ASSY VALVE UNIT Transmission Low and Drive Valve j 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 30 T T 4 256 4 265 4 26