4 SPEED MANUAL TRANSMISSION 4 309 BUSHlNG CAP RING SHAFT SHIM Transmission Gearshift C0n t 76 79 X M20 342425 1 16 35 SHAFT W LEVER TRANS REV SHIFT 76 79 X M20 3952649 1 16 30 SHAFT TRANS 3RD AND 4TH SHIFT 77 H MY1 358452 1 22 80 SHAFT TRANS SHIFT 77 80 H M20 376214 1 18 40 SHAFT 3RD AND 4TH SHIFT 78 81 A 342423 1 18 05 SHAFT 1ST AND 2ND SHIFT 78 80 A 342426 1 17 25 SHAFT REV SHIFT W LVR 78 81 A 376214 1 18 40 SHAFT 3RD AND 4TH SHIFT 80 81 X 476709 AR 80 SHIM TRANS SHFT SHF 2 1 80 81 X 476710 AR 1 10 SHIM TRANS SHFT SHF 2 4 80 81 X 476711 AR 1 10 SHIM TRANS SHFT SHF 2 7 80 81 X 476712 AR 1 10 SHIM TRANS SHFT SHF 3 0 80 81 X 476713 AR 1 10 SHIM TRANS SHFT SHF 3 3 80 81 X 476714 AR 1 10 SHIM TRANS SHFT SHF 3 6 80 81 X 476715 AR 1 10 SHIM TRANS SHFT SHF 3 9 80 81 X 476716 AR 1 10 SHIM TRANS SHFT SHF 4 2 80 81 X 14008235 AR 1 25 SHIM TRANS SHFT SHF 1 78 4 311 BQLT CAM CAP PlN SEAL SEAT SPRING WASHER Transmission Shift Shaft Detent 80 81 X 476738 1 38 BOLT HEX M6 X 1 X 14 0 76 79 ALL M20 336937 1 1 75 CAM DETENT 1ST AND 2ND 76 79 ALL M20 346399 1 2 55 CAM DETENT 3RD AND 4TH 80 81 A 346399 1 2 55 CAM DETENT 3RD AND 4TH 80 A H 336937 1 1 75 CAM DETENT 1ST AND 2ND 80 H M20 346399 1 2 55 CAM DETENT 3RD AND 4TH 77 79 H MY1 376086 1 1 15 CAP SHIFT SHAFT DETENT SPRING 76 79 ALL M20 3831715 1 42 PIN DETENT CAM RETAINING 77 H MY1 368050 1 2 15 PIN SHIFT SHAFT DETENT LOCK 80 81 A 3831715 1 42 PIN DETENT CAM RETAINING 80 H M20 3831715 1 42 PIN DETENT CAM RETAINING 8 81 X 14004864 1 20 PIN REV INHIBITOR SPG WA GDE 76 77 ALL EXC MY1 3831716 1 1 15 SEAL 3RD 4TH SHFT 80 81 X 463024 1 85 SEAL TRANS SHFT SHF 80 81 X 464866 1 2 40 SEAT REV INHIBITOR SPRING 76 79 ALL M20 3831718 1 42 SPRING DETENT CAM 76 79 ALL M20 3920799 1 38 SPRING TRANS REV SHFT LVR DETENT BALL 77 H MY1 376120 1 52 SPRING COMPRESSION 80 81 A H 3831718 1 42 SPRING DETENT CAM 80 81 A H 3920799 1 38 SPRING TRANS REV SHFT LVR DETENT BALL 80 81 X 464867 1 1 15 SPRING REV INHIBITOR 80 81 X 465436 1 84 SPRING TRANS DETENT 80 81 X 464868 1 25 WASHER REV INHIBITOR SPR 4 317 EXTENS ON STUD Transmission Rear Main 76 H M20 14002530 1 69 00 EXTENSION 77 80 H M20 14002530 1 69 00 EXTENSION 77 H 140 MY1 14000351 1 62 55 EXTENSION 78 A X M20 14040568 1 72 00 EXTENSION 79 80 ALL M20 EXC H 14040568 1 72 00 EXTENSION 78 81 A 14056633 1 1 15 STUD EXT 4 318 GASKET SEAL Transmission Rear Main Bearing 76 79 ALL I I20 3876752 1 36 GASKET EXTENSION 77 H I IY1 7316448 1 2 50 GASKET EXTENSION 80 81 A H 3876752 1 36 GASKET EXTENSION 76 81 ALL M20 3932255 1 N L SEAL EXTENSION OIL 77 ALL MY1 3932255 1 N L SEAL EXTENSION OIL 4 319 BUSHING Transmission Extension 76 81 ALL M20 6260048 1 1 55 BUSHING TRANS EXT 4 329 ADAPTER Speedometer Driven Gear NOTE Refer to the Speedo Gear Chart at the end of the transmission sectzon 76 77 ALL I I20 368025 1 35 75 ADAPTER 1 2040 RATIO 77 ALL 326569 1 35 50 ADAPTER 9744 RATIO CODE D 77 X W M T 3950354 1 35 50 ADAPTER GEAR 9744 RATIO CODE Y 4 330 KEY Speedo Driven Gear 76 78 A X 474299 1 2 75 KEY SPEEDO DRIVEN GEAR ADAP 76 78 H W M T 474299 1 2 75 KEY SPEEDO DRIVEN GEAR ADAP 78 80 H M20 867209 1 3 73 KEY SPEED0 GEAR ADAP INPUT Cgi 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS 0LDSIVIOBILE 31 4 309 4 330 4 12 REV 7 87