3 SPEED TRANSMISSION MANUAL 4 395 GEAR Transmission 2nd Speed Con t 66 70 Y 3859019 1 39 25 GEAR 24 TEETH 4 398 WASHER Transmission Shaft and 2nd Speed Gear Thrust 55 65 Y 3736753 1 1 65 WASHER 1 ls I D X 1 5 gz O D X ls THICK STEEL 4 403 SHAFT Transmission Main ii 55 63 Y 3740860 1 74 25 SHAFT 22 z LONG 6 SPLINES 66 70 Y 468253 1 62 00 SHAFT 4 408 BEARING Transmission Main Shaft Rear 55 70 Y 907765 1 37 90 BEARING ND47306 1961A 4 412 RlNG SPRlNG Transmission Rear Bearing and Mainshaft NOTE 1 Use selective y to obtain minimum end play 55 70 Y 3707174 1 57 RING RET 2 Ia I D 55 70 Y 3707189 1 35 RING SNAP 089 091 THICK NOTE 1 66 Y 3911967 1 86 SPRING 1ST AND REV 2ND AND 3RD 4 413 SPRING Transmission Synchronizing 55 65 Y 3737448 2 54 SPRING ENERGIZING 66 70 Y 368055 4 54 SPRING 1ST AND REV 2ND AND 3RD 4 417 GEAR Transmission 1st and Reverse Sliding 55 63 Y 3725646 1 33 75 GEAR 1ST AND REV 29T 16 SPLINE 64 65 Y 3848091 1 33 75 GEAR 1ST AND REV 66 70 Y 3859014 1 38 25 GEAR 1ST SPEED 66 70 Y 3859015 1 38 25 GEAR REV 4 419 WASHER Transmission 1st Reverse Gear 66 70 Y 3869940 1 63 WASHER REV THRUST 1 ie I D X 2 O D 66 70 Y 3884595 1 35 WASEIER REV THRUST 17 ez I D X 1 7 az O D WAVEY 4 421 GEAR Transmission Countershaft 66 70 Y 3859036 1 69 00 GEAR 25 TEETH 4 422 ROLLER Transmission Countershaft Gear 53 70 Y 435847 AR 21 ROLLER BRG 4 DIA X 4 O L NOT USED W BUSHED TYPE COUNTERGEAR 4 423 WASHER Transmission Counter Gear Bearing NOTE 7 When using in place of steel washer 3737814 washer must be used on needle bearing side 54 65 Y 3737814 2 43 WASHER ROLLER BRG THRUST B I D X 15 O D 54 63 Y 3740819 AR 1 15 WASHBER 15 B O D BRONZE NOTE 1 66 70 Y 3859006 2 45 WASHER BRG G4 I D X 1 5 S4 0 D 66 70 Y 3890565 2 1 25 WASHER THRUST 1 G4 I D X 13 O D 4 428 SHAFT Transmission Counter 54 65 Y 3707179 1 9 90 SHAFT S DIA X 7 B O L FOR USE ONLY W NEEDLE TYPE COUNTERGEAR 66 70 Y 3859005 1 13 25 SHAFT at DIA X 9 gz O L 4 430 GEAR Transmission Reverse Idler w Bushings NOTE 1 This part is used on past models with 15 or 16 teeth NOTE 2 If clash is experienced in first gear also use 3725646 first and reverse gear 53 57 Y 3830211 1 41 75 GEAR NOTE 1 64 Y 1ST DESIGN 3834233 1 43 00 GEAR W BSHG 66 70 Y 3859007 1 30 50 GEAR 4 431 ROLLER Transmission Reverse Idler Gear 58 65 Y 9421574 40 45 ROLLER BRG 4 433 SHAFT Transmission Reverse Idler Gear 53 62 Y 3820058 1 7 20 SHAFT W OIL FLAT USE W BSHG 66 70 Y 6477499 1 N L SHAFT 3 gz O L X t 0 D 4 435 PlN RlNG Transmission Reverse Idler Shaft 53 65 Y 590832 1 25 PIN LK 4 TAPERED X Is LENGTH 66 70 Y 9414486 1 35 RING GEAR RET 8 934 4 437 BEARING WASHER Transmission Reverse Idler Gear Thrust 59 65 Y 457202 1 1 95 BEARING RR TORRINGTON FA 10077 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 4 395 4 437 4 6 REV 5 81