3 SPEED TRANSMISSION MANUAL 4 083 BRACKET Transmission Mounting 68 70 Y 3913877 LH 3 00 BRACKET C MBR 4 68 70 Y 3913878 RH 3 00 BRACKET C MBR 4 4 085 SPACER Transmission Mounting Support 69 Y W SIDE IVIT EXH 3949179 1 1 10 SPACER 4 103 CASE Transmission 66 70 Y 471707 1 125 00 CASE W MAGNET 4 104 VENTILATDR Transmission Case 58 68 Y 3820840 1 VENTILATOR 5 387 4 105 COVER MAGNET KIT Transmission Case 56 83 Y 3731900 1 34 50 COVER SCISSORS TYPE CAST 3731911 70 Y 338287 I 22 80 COVER 55 64 Y 369122 1 5 80 MAGNET KIT CASE CHIP COLLECTOR 4 109 GASKET Transmission Case Cover 55 65 Y 591513 1 35 GASKET FIBER V 66 70 Y 3858990 1 50 GASKET 4 303 FORK Gearshift 55 56 Y IST DESIGN 3645045 1 7 90 FORK 1ST AND REV LESS SHAFT HOLLOW DRILLED 56 65 Y 3785217 1 4 10 FORK ZND AND 3RD LESS SHAFT 56 85 Y 2ND DESIGN 3731918 1 8 65 FORK IST AND REV LESS SHAFT 66 70 Y 3858997 AR 10 20 FORK 4 307 LOCK STUD Gearshift 60 65 Y 591539 2 10 LOCK INTERLOCK RET STUD NUT 55 65 Y 591537 2 47 STUD RETAINER I H O L W 2 THD ENDS 4 309 SHAFT Gear Shifter NOTE 1 Use one as ist and reverse shift shaft asm Use one as 2nd and 3rd shift shaft asm i 64 65 Y 3840454 1 15 50 SHAFT W PLT IST AND REV V 64 65 Y 3840458 1 I7 15 SHAFT W PLT 2ND AND 3RD I 68 69 Y 3932234 2 8 10 SHAFT NOTE 1 10 Y 3952649 1 8 85 SHAFT 2ND AND 3FID 4 311 CAM PlN SPRING Gearshift Detent I 58 65 Y 3869904 1 1 15 CAM IST AND REV DETENT 58 65 Y 3869906 1 1 15 CAM 2ND AND 3RD I 66 70 Y 346399 AR 1 80 CAM DETENT 66 70 Y 3831715 1 30 PIN DETENT CAM 53 56 Y IST DESIGN 591796 2 16 SPRING SHIFTER FORK z 0 D 15 COILS 56 65 Y ZND DESIGN 3737068 1 26 SPRING CAM DETENT SCISSORS TYPE 1 LONG 14 COILS 88 89 Y 427 c 3 831718 1 30 SPRING DETENT CAM 4 312 RING Gear Shifter Shaft and Fork Yoke 53 56 Y 591779 2 17 RING FORK RET 56 81 Y 9416094 2 18 RING FORK RET J DIA SHAFT 8 934 4 313 SEAL Transmission Internal Selector Shaft 55 65 Y 3845164 2 31 SEAL O RING RUBBER I I D X u 0 D 66 70 Y 3844036 AR 22 SEAL SHIFTER SHAFT ALL LOCATIONS 4 317 EXTENSION Transmission Rear Main Bearing NOTE 1 On models prior to 1963 it will be necessary to use speedometer fitting 3748533 in Group 4 338 83 65 Y 3855709 1 40 25 EXTENSION W BSHG CAST 3707195 NOTE I 66 70 Y 360002 1 51 25 EXTENSION 4 318 GASKET SEAL Transmission Rear Bearing Retainer r 55 85 Y 3707172 I 08 GASKET EXT 5 HOLES I D 66 70 Y 3876752 1 22 GASKET EXT 55 63 Y 8 CYL 1243402 I 4 35 SEAL EXT OIL 66 70 Y 1243402 1 4 35 SEAL EXT OIL I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 14 REV 5 80 1 4 083 4 31 8 A I