GM CIEIEVROLET 6 1 1 3q 16 36 3 3 i 1 33 i peq s0 1 a rL 9 D d b 5253 F4 4 55 1 ti L i t i68 1859 a L a3 r1 bp 6 1 73 62 O 72 61 45 7 65 24 I 66 70 63 p 4 56 19 69 bs t ft FOUR SPEED SYNCHROMESH TRANSMISSION 7 67 8 5 Key Description Group Key Description Group 1 Washer Countergear Thrust 4 423 39 Gear Speedometer Drive 4 343 2 Washer Countershaft Bearing 4 423 40 Washer Reverse Idler Gear Thrust Front 4 437 3 Roller Countershaft Bearing 4 422 41 Gear Assembly Reverse Idler Front 4 430 4 Gear Transmission Counter 4 421 42 Gear Assembly Reverse Idler Rear 4 430 5 Spacer Countershaft Bearing 4 428 43 Washer Reverse Idler Gear Thrust Rear 4 437 6 Countershaft Transmission 4 428 44 Shaft Transmission Reverse Idler Gear 4 433 7 Bolt 5 16 18 x Y4 8 400 45 Pin 3 4 x 1Y2 8 939 8 Lockwasher 5 Ib 8 932 46 Gasket Transmission Rear Bearing Retainer Rear 4 318 9 Retainer Clutch Gear Bearing 4 356 47 Extension Assembly Transmission 4 317 10 Gasket Clutch Gear Bearing Retainer 4 358 48 Bushing Transmission Extension 4 408 11 Nut Clutch Gear Bearing Retainer 4 357 49 Bolt Ye I6 x 1 4 8 90 1 12 Ring Clutch Gear Bearing To Transmission Case 4 376 50 Seal Assembly Transmission Extension Oil 4 318 13 Bearing Assembly Transmission Clutch Gear 4 355 51 Bolt 7 16 14 8 900 14 Case Assembly Transmission 4 103 52 Gear Speedometer Driven 4 337 15 Gasket Transmission Rear Bearing Retainer Front 4 318 53 Fitting Speedometer Driven Gear 4 338 16 Gear Transmission Clutch 4 351 54 Retainer Speedometer Driven Gear Fitting 4 338 17 Bearing Transmission Mainshoft Front 4 352 55 Seal Speedometer Driven Gear Fitting O Ring 4 338 18 Ring Transmission Synchronizer Retainer Third 8 Fourth 4 383 56 Washer 11 16 x 11 32 x 5 64 8 929 19 Synchronizer Assembly Transmission Third Fourth 4 380 57 Nut 5 16 18 8 915 20 Sleeve N S S Part of Key 19 58 Pin 5 32 z 1 8 940 21 Ring Transmission Synchronizer Blocking 4 383 59 Seal Shifter Shaft 4 107 22 Spring Transmission Synchronizing 4 413 60 Fork Transmission Shifter Reverse 4 303 23 Hub N S S Part of Key 19 61 Shaft Assembly Transmission Shifter Reverse 4 302 24 Plate Transmission Synchronizer Shifting 4 384 62 Lever Transmission Shifter Reverse 4 045 25 Gear Transmission Third Speed 4 415 63 Shaft Assembly Transmission Shifter First 3 Second 26 Shaft Trasmission Main 4 403 Third Fourth 4 309 27 Gear Transmission Second Speed 4 395 64 SPrin Transmission Detent Cam 9 4 311 28 Synchronizer Assembly Transmission First Second 4 380 65 Seal Shifter Shaft 4 107 29 Hub N S S Part of Key 28 66 Lever Transmission Shifter First Second 4 045 30 Ring Transmission First 8 Second Synchronizer Retaining 4 383 67 Lever Transmission Shifter Third Fourth 4 045 31 Sleeve N S S Part of Key 28 32 Gear Transmission First Speed 4 417 68 Cover Transmission 4 105 33 Sleeve First Speed Gear Thrust 4 419 69 Cam Transmission Detent 4 311 34 Ring Transmission Rear Bearing Locating 4 412 70 Fork Transmission Shifter First Second Third 3 Fourth 4 303 35 Bearing Assembly Transmission Mainshaft Rear 4 408 71 Ring 5 16 Type 3 8 934 36 Retainer Transmission Rear Spring 4 317 72 Gasket Transmission Cover 4 109 37 Ring Transmission Mainshaft Rear Retaining 4 412 73 Ball ye 8 899 38 Gear Transmission Reverse 4 430 74 Spring Transmission Reverse Detent Ball 4 311