4 SPEED TRANSMISSION 4 421 GEAR Transmission Countershaft Con t 62 Y W 4 SPD 2 54 1 IST GEAR IST DESIGN 378331 7 1 175 00 GEAR 30T 23T 20T I7 T NOTE 2 63 65 Y MUNCIE 4 SPD W 2 56 1 IST GEAR 357224 1 180 00 GEAR 29 TEETH 63 65 Y MUNCIE 4 SPD W 2 20 1 IST GEAR W H PER F 383172 7 I 134 00 GEAR 1 IE I D 27T 22T 19T 17T 65 72 Y W H D 4 SPD 3905466 I 233 00 GEAR 27T 22T 19T 17T 66 74 Y W MUNCIE EXC H D CLOSE RATIO 357235 1 168 00 GEAR 25T 22T I9T 66 74 Y W MUNCIE 4 SPD CLOSE RATIO 357236 1 198 00 GEAR 27T 22T 19T 17T 74 79 Y M20 W SP H PER 360810 1 172 00 GEAR 74 79 Y M21 W SP H PER 360805 I 152 00 GEAR 78 Y M20 EXC SP H PER 14004879 1 135 00 GEAR 79 Y M20 EXC SP H PER 2ND DESIGN 360810 1 172 00 GEAR NOTE 5 79 Y M20 EXC SP H PER IST DESIGN 14004879 I 185 00 GEAR NOTE 5 80 81 Y IVI18 14024317 I 172 00 GEAR 4 422 ROLLER Transmission Countershnaft Gear 57 65 Y 3709328 AR 25 ROLLER BRG ERT AND REAR 0 L 66 74 Y W MUNCIE 435847 AR 21 ROLLER BRG 4 DIA X 3 0 L NOTE USED W BUSHED TYPE COUNTERGEAR 74 79 Y M20 M2I 435847 AR 21 ROLLER BRG DIA X 3 0 L NOT USED W BUSHED TYPES COUNTERGEAR 80 81I Y MI8 435847 AR 21 ROLLER TYPE 4 DIA X 4 O L NOT USED W BUSHED TYPE COUNTERGEAR 4 423 PLATE SPACER WASI IER Transmission Counter Gear Bearing NOTE 1 When using in place of steel washer 3737814 washer must be used on needle bearing side NOTE 2 1979 Ist Design Muncie 1979 2nd Design Warner 79 Y 350 M20 EXC SP H PER 2ND DESIGN 14013087 1 1 40 PLATE RR REV IDLER GR BRG THRUST 79 Y 350 M20 MZI W SP H PER 2ND DESIGN 140130137 1 1 40 PLATE RR REV IDLER GIR BRG THRUST 80 81 Y M18 140130137 1 1 40 PLATE RR REV IDLER GR BRG THRUST 66 74 Y W MUNCIE 39121135 I 13 30 SPACER W WA BRG I I D X 53 zz 0 L 74 715 Y W WARNER 62607108 1 2 25 SPACER CNTRSHF BRG WARNER 13 04 053 001 77 79 Y M20 M21 W SP H PER 4740136 I 2 25 SPACER CNTRSHF BRG WARNER 13 04 053 003 79 Y M20 EXP SP H PER 2ND DESIGN 474036 I 2 25 SPACER CNTRSHF BRG WARNER NOTE 2 80 81 Y M18 474036 1 2 25 SPACER CNTRSHF BRG WARNER 57 65 Y 3709324 6 43 WASHER BRG 7 B I D X 1 az THICK 57 62 Y 3740819 AR 1 15 WASHER 15 B 0 D BRONZE NOTE I 63 Y EXC MUNCIE 3740819 AR 1 15 WASHER 15 8 0 D BRONZE NOTE I 63 65 Y N MUNCIE 3831729 I 1 40 WASHER THRUST 5 M I D X 15 B 0 0 X IG THICK 66 74 Y W MUNCIE 3864856 6 43 WASHER BRG I I D X 1 Is 0 D 66 74 Y IN MUNCIE 3864860 AR 1 40 WASHER THRUST 1 I D X 1 5 az 0 D 74 79 Y M20 M21 W SP H PER 3870799 1 2 30 WASHER RR REV IDLER GR THRUST 74 7 9 Y M20 M2I W SP H PER 62607 14 2 1 40 WASHER CNTRSHF GEAR RR THRUST WARNER 13 04 193 001 74 76 Y VI WARNER 6260709 6 1 40 WASHER CNTRSHF BRG WARNER I3 04 053 002 75 7 9 Y M20 EXC SP H PER 1ST DESIGN 3859006 I 45 WASHER CNTR GEAR THRUST RET NOTE 2 75 79 Y M20 EXC SP H PER IST DESIGN 3890565 I 1 25 WASHER CNTR GEAR THRUST NOTE 2 77 79 Y M20 M21 W SP H PER 474037 6 1 35 WASHER CNTRSHF BRG WARNER I3 04 053 004 79 Y M20 EXC SP H PER 2ND DESIGN 474037 6 1 35 WASHER CNTRSHF BRG WARNER 13 04 053 004 NOTE 2 79 Y M20 EXC SP H PER IST DESIGN 3870799 1 2 30 WASHER RR REV IDLER GR THRUST NOTE 2 79 Y M20 EXC SP H PER 2ND DESIGN 6260714 2 1 40 WASHER CNTRSI IF GEAR RR THRUST WARNER I3 04 193 001 NOTE 2 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 REV 5 81 4 25 4 421 4 423