4 SPEED MANUAL TRANSMISSION 4 383 RING Transmission Synchronizer 76 79 ALL M 20 3859027 4 9 85 RING BLOCKING 4 76 79 F M2I 4 360812 1 7 40 RING BLOCKING 4 4 4 76 77 H MY1 4 361638 4 8 70 RING BLOCKING 76 79 T MY1 4 4 361638 4 8 70 RING BLOCKING l 4 384 KEY PLATE RING Transmission Synbhronixer 76 79 ALL M 20 3871250 S 66 KEY IST ZND 3RD AND 4TH 76 79 F MZ1 3870793 1 62 KEY IST 2ND 3RD 4TH SVN 76 77 H T MY 1 5257866 I 69 KEY 3RD AND 4TH SYNCH 76 79 T MY1 376277 6 89 KEY TRANS 1ST AND 2ND 3RD AND 4TH SYN 77 H MY1 376277 3 69 KEY SVNCHRO 78 77 F W WARNER 3870793 1 62 PLATE 2ND AND 3RD SYNCHR0 78 79 ALL M20 3859025 2 16 RING TRANS SYN RET 76 79 T MY1 3859025 2 16 RING TRANS SYN RET 4 395 GEAR Transmission Second Speed 76 79 ALL M 20 352239 28 00 GEAR ZND SPEED 76 77 H MY1 361633 1 28 25 GEAR 2ND SPEED 78 79 T MY1 361633 I 28 25 GEAR 2ND SPEED 77 79 F MZ1 474035 1 57 75 GEAR 2ND SPEED 77 F W WARNER 360802 1 67 75 GEAR 2ND SPEED 4 403 SHAFT Transmission Main Drive 76 79 ALL M20 468253 1 46 50 SHAFT MAIN 76 77 F X H M 20 3915014 1 46 50 SHAFT MAIN 76 77 H MY 1 358451 1 47 00 SHAFT MAIN 76 79 T MY1 EXC FLR SHFT OR A C C60 358439 I 47 00 SHAFT MAIN 76 79 T MY1 W FLR SHFT OR A C C60 358451 1 47 00 SHAFT MAIN 77 79 F MZ1 6260713 1 124 00 SHAFT MAIN 4 408 BEARING Transmission Main Shaf1 Rear 75 79 F X M20 I 907765 1 24 70 BEARING M SHF W SNAP RING 76 79 H M20 907763 I N L BEARING M SHF 76 79 T MY1 906991 1 10 18 BEARING M SHF 77 79 F MZ1 907458 1 26 50 BEARING M SHF RR 77 79 H 305U M20 907765 1 24 70 BEARING M SHF W SNAP RING 78 79 A 231A M20 EXC CLOSED LOOP 907763 I N L BEARING M SHF 78 79 A 305U H 267 M20 907765 1 24 70 BEARING M SHP W SNAP RING 78 79 A80 350L M20 907785 1 24 70 BEARING M SHF W SNAP RING 4 412 RING Transmission Rear Bearing and Mainshaft 76 79 ALL M 20 3707174 I 41 RING REAR BEARING LOCATING 76 79 ALL M20 MYI 3707189 1 25 RING REAR BEARING RETAINING 76 79 F MZ1 V 2830050 1 46 RING CLUTCH GEAR BEARING LOCKING 76 78 F MZ1 3911967 I 62 RING REAR BEARING LOCATING 76 77 H MY 1 368044 1 13 RING COUNTER GEAR BEARING LOCATING 1 1 76 79 T MYI 368044 I 13 RING CNTR GEAR BRG LOC 76 79 T MY1 376I77 1 3 00 RING MAINSHAFT BRG 76 79 T MYI 3707189 I 25 RING CLU GR BEARINGRETAINER 77 H MY1 3707189 1 25 RING CLU GR BEARING RETAINER 4 413 SPRING Transmission Synchrnnizing 76 79 ALL M 20 368055 4 39 SPRING IST AND 2ND 3RD AND 4TH 76 77 H MY 1 368087 1 61 SPRING IST THRU 4TH SVN 76 79 T MY1 I 368087 4 51 SPR NG IST THRU 4TH SYN 77 79 F M21 3870810 1 39 SPRING IST AND 2ND SYN 4 415 GEAR Transmission Third Speed 76 79 ALL M 20 4 3859936 1 23 35 GEAR 3RD SPEED 76 79 F MZ1 474034 I 71 25 GEAR 3RD SPEED 76 T 1 361634 1 28 25 GEAR 3RD SPEED 76 79 T MYI R 376254 1 28 25 GEAR 3RD SPEED 77 H MYI 376254 1 28 25 T GEAR 3RD SPEED 4 417 GEAR Transmission First and Reverse 76 79 ALL M 20 3859981 I 28 00 GEAR IST SPEED 76 77 H MY 1 356453 1 28 25 GEAR REVERSE 1 76 77 H MY 1 361632 1 28 25 GEAR IST SPEED 76 79 T MYI 358453 1 28 25 GEAR REV 76 79 T MY1 361632 I 28 25 GEAR IST SPD GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 4 383 4 417 4 22 REV 9 78