I ESPEED MAINUAL TRANSMISSION 4 313 SEAL Transmission Shift Lever Shaift 76 79 F M21 5696537 1 2 85 SEAL SHIFT LVR SHAFT OIL 6 525 76 77 F M21 6260717 1 50 SEAL SHIFT SHAFT LEVER 4 107 4 317 EXTENSION GASIKET R ETAINER S TL D VENTIl ATOR Transmission Rear Main 76 78 ALL M21 14013088 1 87 00 EXTENSION 76 H M20 14002530 1 69 00 EXTENSION 77 79 ALL M20 EXC H 14040568 1 72 00 EXTENSION 77 80 H M20 14002530 1 69 00 EXTENSION 79 80 F M21 140130813 1 87 00 EXTENSION 80 A M20 14040568 1 72 00 EXTENSION 81 F M24 14013088 1 87 00 EXTENSION 81 T MY1 14000351 1 62 55 EXTENSION TRANS 76 81 ALL EXC T 38767512 1 35 GASKET EXTENSION TO CASE 76 79 F M21 3931531 1 77 25 RETAINER IN PIN RR BEARING 81 F 305 M24 39 31531 1 77 25 RETAINER IN PIN RR BRG 78 81 A 14056633 1 1 15 STUD TRANIS EXTENSION 76 78 ALL M20 M21 37 38462 1 95 VENTILATOR EXT 5 387 4 318 GASRKEZT SEAL Transmission Rear NIaain Bearing 76 79 ALL M20 3876752 1 35 GASKET EXT 76 79 F M21 3787720 1 2 75 GASKET REAR BEARING RETAINER REAR 76 79 F M21 3787722 1 2 55 GASKET REAR BEARING RETAINER FRONT 80 A H M20 3876752 1 36 GASKET EXT 81 F M24 3787720 1 2 75 GASKET REAR BEARING REAR 81 F M24 37877212 1 2 55 GASKET REAR BEARING RETAINER FRONT 81 T MY1 7316448 1 2 50 GASKET EXT 76 79 ALL M20 3932255 1 N I SEAL EXT OIL 76 79 F M21 61260707 1 9 40 SEAL EXT OIL 80 81 A H 3932255 1 N I SEAL EXT OIL 80 81 X 8631156 2 N I SEAL AXLE OIL 81 F M24 61260707 1 9 40 SEAL EXT OIL 81 T MY1 3932255 1 N SEA L EXT OIL 4 319 BOLT BUSHING Transmission Extinansion 76 79 F M20 I I21 37749 I1 1 1 75 BOl T REAR BEARING RETAINER 81 F M24 37749 I1 1 1 75 BOl T REAR BEARING RETAINER 76 79 ALL M20 6260048 1 1 55 BUSHING TRANS EXTENSION 76 79 F I I21 3978765 1 2 50 BUSHING TRANS EXTENSION 80 81 A H 6260048 1 1 55 BUSHING TRANS EXTENSION 81 F M24 3978765 1 2 50 BUSHING TRANS EXT 81 T MY1 6260048 1 1 55 BUSHING TRANS EXT 4 329 ADAPTER Speedometer Driven Gear NOTE Refer to charts at end of transmission section 77 H 368022 1 35 50 ADAPTER 9444 RATIO CODE BD 77 H M20 1565174 1 62 50 ADAPTER 1 1330 RATIO 77 H 151 6479661 1 100 25 ADAPTER 1 000 RATIO 78 80 X M20 326569 1 35 50 ADAPTER GEAR 9744 RATIO CODE D 78 80 X M20 332537 1 35 50 ADAPTER GEAR 8241 RATIO CODE H 78 80 X M20 368022 1 35 50 ADAPTER GEAR 9444 RATIO CODE BD 78 80 X M20 368025 1 35 75 ADAPTER GEAR 1 2020 RATIO CODE BG 78 80 X M20 368026 1 35 75 ADAPTER GEAR 1 3000 RATIO CODE BH 80 X M20 330192 1 39 50 ADAPTER GEAR 7333 RATIO CODE K 4 330 KEY Sp ee d0meter Cable Drive 76 78 H W M T 4742199 1 2 75 KEY SPEEDO DRIVEN GR ADAP 77 80 H 151 867209 1 3 73 KEY ADAPTER TO SLEEVE 77 80 H 151 25032338 1 69 KEY SPEEDO CBL TO ADAPTER 9 750 4 337 GEEAR1 Speedometer Driven NOTE Refer to charts at end of transmission section 76 77 A F H X 23987921 1 2 00 GEAR 21 TEETH RED 76 77 F 13987919 1 2 05 GEAR 19 TEETH NATURAL 76 77 H 33860346 1 1 90 GEAR 23 TEETH BLACK 76 77 H 3987918 1 2 15 GEAR 18 TEETH BROWN 2 56 RATIO 77 ALL 3987918 1 2 15 GEAR 18 TEETH BROWN 1987 GENERAL NIOTORS SERVICE PARTS OPERATIONS PONTIAC 21 REV 7 87 4 17 4 313 4 337