4 SPEED TRANSMISSION 4 351 GEAR Transmission Main Drive Clutch Con t OTE 3 Use w th 38 77379 Countergear 63 Corvette Warner 4 Spd w 2 20 1 lst gear 3855734 1 51 60 27 teeth 65 68 Corvette w H D 4 Spd 3925691 1 65 10 26 teeth w slinger 66 70 Corvette exc H D close ratio 3925689 1 51 40 21 teeth w slinger 71 74 All w Muncie exc close ratio H D i r 3978772 1 50 95 71 74 All w Muncie w close ratio 3978773 1 50 95 74 75 Corvette w Warner close ratio 360807 1 74 75 Corvette w Warner exc close ratio 41 360814 1 71 72 All w H D 3978761 1 46 30 w slinger 26 teeth 26 spline 4 352 BEARING ROLLER SPACER Transmission Main Shaft Front Pilot to Main Drive Gear 63 74 Corvette w Muncie 4 Spd 9419248 1 1 60 mainshaft front 17 roller w cage 57 63 Corvette w Warner 4 Spd 3743449 A R 23 ROLLER 5 a 74 75 Corvette w Warner 389677 1 25 SPACER main shaft brg Warner T85G 25 4 354 SEAL Transmission Main Drive Gear Bearing 74 75 Corvette w Warner 3987936 1 1 35 retainer oil 1 l D x 13 U O D x g2 thk steel 41 355 BEARING Transmission Main Drive Gear Ball 57 62 Corvette 907372 1 12 27 w snap ring 4 408 63 65 Corvette 907930 1 17 34 single row w snap ring ND47207 64 74 Corvette w Muncie 907572 1 20 82 single row w snap ring ND41307B 74 75 Corvette w Warner 908216 1 single row with snap rings 4 356 RETAINER LOCK NUT Transmission Main Drive Gear Bearing 57 62 Corvette 3709331 1 8 60 4 IB O D x 3 B O L forged T89 B 6 63 Corvette 604932 1 4 83 4 ls 0 D x 33 Ia length w 4 holes 6 B dia 64 74 Corvette w Muncie 3915020 1 6 90 Note 1 74 75 Corvette w Warner 360806 1 NOTE 7 When us ng 39 75020 use 4 each 786678 bo ts 76 x 7 rn p ace ofpresent ones 63 74 Corvette w Muncie 3849937 L H 32 LOCK retainer bolt left 63 74 Corvette w Muncie 3849938 RH 32 LOCK retainer bolt right 63 74 Corvette w Muncie 4 Spd 591150 1 1 00 NUT 1 12 L H thread 4 358 GASKET Transmission Main Drive Gear Bearing Retainer 57 62 Corvette 3743481 1 60 37 G I D x 4 1 6 0 D 63 Corvette 591022 1 15 az dia 66 74 Corvette w Muncie 3915019 1 27 74 Corvette w Warner 1359473 1 11 main drive gear bearing ret Warner T85B 145C 4 374 SLINGER Transmission Main Drive Gear Bearing 68 74 Corvette w Muncie 3925692 1 73 clutch gear bearing oil 4 376 RING WASHER Transmission Main Drive Gear Bearing 57 63 Corvette w Warner 4 Spd 66 70 Corvette exc l D 74 Corvette w Warner 3709351 A R 18 retaining 086 088 thk color plain Note 1 57 63 Corvette w Warner 4 Spd 74 Corvette w Warner 3709352 A R 16 snap 089 091 thk color dark blue Note 1 57 63 Corvette w Warner 4 Spd 74 Corvette w Warner 3709354A R 16 snap 095 097 thk color green Note 1 57 63 Corvette w Warner 4 Spd 74 Corvette w Warner 3709355 A R 16 snap 099 thk Warner 4734 D Note 1 57 63 Corvette w Warner 4 Spd 74 Corvette w Warner 3709356 A R 16 snap 102 Warner 4734 E Note 1 NO TE 7 Use se ect ve y but on y 7 used t0 obtain proper h t 57 74 Corvette w Muncie 2830050 1 34 locating 3 gz O D 4 412 63 Corvette 590849 1 29 locating 2 ls l D x 2 gz O D x IB thk 74 Corvette w Warner 3709353 1 16 snap 092 094 thk color orange 57 62 Corvette 74 75 Corvette w Warner 3709350 2 32 WASHER 13 B l D x 1 ie O D x is thk 4 380 CLUTCH ASSY SYNCHRONIZER Transmission 2nd 3rd and 3rd 4th Speeds 57 63 Corvette w Warner 4 Spd 1379213 1 55 45 1st and 2nd w synchronizer 1974 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET P A 30B 4 351 4 380 4 36 REV 9 74