55 57 PASS w 3 SPD 8 cyl exc close ratio 58 63 PASS w O D 61 63 PASS w 3 SPD 283 2nd design exc O D w synchronizer spring 3752836 1 15 75 56 57 PASS w 3 SPD close ratio 55 56 CORVETTE w 3 SPD close ratio lst design w s ynch1 onizer spring 58 PASS w 3 SPD 348 thick tem verit hole 3751420 1 19 00 57 60 PASS CORVETTE w 4 SPD 61 CORVETTE w 4 SPD 62 PASS CORVETTE w 4 SPD 2 20 to 1 lst gear 9 O L 27 teeth 374344711 1 29 30 58 60 PASS w 3 SPD 283 exc O D 59 63 PASS w 3 SPD 8 cyl exc 283 61 PASS w 3 SPD 283 lst design exc O D 61 63 CORVETTE w 3 SPD w synchronizer spring 3751422 1 15 90 56 60 CORVETTE w 3 SPD 2nd design w synchironizer spring thin stem no vent 3752417 1 20 85 59 Ser 3 w 4 SPD 60 61 Ser 10 thru 30 w 4 SPD 1 shaft dia r 3761928 1 16 65 61 PASS w 4 SPD 62 PASS CORVETTE w 4 SPD 2 54 to 1 lst gear 25 teeth 37833160 1 29 30 61 63 Ser 10 thru 30 w 3 SPD HD 36 teeth 91 O L Warner T89C 16B 3786023 1 21 35 62 63 Ser 10 thru 30 w 4 SPD 3787253 1 16 65 63 PASS CORVETTE w 4 SPD 3819118 1 29 30 3847 COMM UTIL w 4 SPD exc LT GEAR UNIT 38473116 1 18 60 48 55 COMM UTIL w 4 SPD lst Ser 55 58 Ser 3 w 4 SPD 2nd Ser GEAR UNIT 3760851 1 24 80 NOTE Can be used to correct high gear disengagement on 1949 52 models but also requires 1 ea 591851 591852 spacers 24 7450247 rollers and either 1 3699258 PASS or 1 3699259 COMM maiushaft NOTE When using on 1957 and prior models retainer 3741458 must be used NOTE Consists oi 1 gear w l7 spur teeth 81 long x 1 I D and 1 591605 retainer NOTE i Consists ot 1 each gear gasket retainer and seal assy cone and ring INOTE Use with 3746271 Countergear NOTE Use with 3783317 Countergear 4 352 BEARING ROLLER SPACER RETAINEIR Transmission Main Shaft Front Pilot to Main Drive Gear 38 47 COMM UTIL w 4 SPD exc LT roller Hyatt 93424C V 141854 1 1 60 38 63 ALL CORVETTE wn3 SPD exc H D ROLLER front pilot bearing M dia x 3 435844 14 06 48 55 COMM UTIL w 4 SPD lst Ser 55 59 Ser 3 w 4 SPD 2nd Ser 54 60 ALL w 3 SPD H D 60 63 Ser 10 thru 30 w 4 SPD ROLLER front pilot bearing BQ dia x 7450010 A R 09 53 63 ALL CORVETTE w 3 SPD exc l 1 D ROLLER rear bearing x V2 7450247 24 04 57 63 PASS CORVETTE w 4 SPD ROLLER dia x 3743449 14 15 61 63 Ser 10 thru 30 w 3 SPD H D ROLLER front bearing Warner T85C 26 2358434 14 15 Not required in this group See group 4 520 ROLLER 45711 10 48 55 COMM UTIL w 4 SPD lst Ser 55 59 Ser 3 w 4 SPD 2nd Ser SPACER pilot bearing roller l 4 1 D x 12 gQ 60 63 Ser 10 thru 30 w 4 SPD O D x thick 591436 1 35 53 63 ALL CORVETTE w 3 SPD exc H D SPACER front roller 114 1 D x 1 O D x thk 591851 1 05 53 63 ALL CORVETTE w 3 SPD exc H D SPACER rear roller I D x 11 Q O D x1 thl 591852 1 05 61 63 Ser 10 thru 30 w 3 SPD H D SPACER bearing Warner T85C 25 2358435 1 15 48 55 COMM UTIL w 4 SPD lst Ser 55 59 Ser 3 w 4 SPD 2nd Ser RETAINER pilot bearing roller ring type 115 60 63 Ser 10 thru 30 vv 4 SPD tree dia 1 wide 591443 1 10 4 355 BEARING Transmission Main Drive Gear Ball 38 47 COMM UTIL w 4 SPD exc LT ND 3209 L 954373 1 7 68 l d t Motor Division 729 Goneral Motors Corporation