54 63 PASS 15 TON w 3 SPD exc O D H D 4 WD 55 63 CORVETTE w 3 SPD 55 PASS 16 TON w O D 56 57 1Q TON w O D RING snap 086 088 thick 3707188 1 10 54 62 PASS 1 H TON w 3 SPD exc O D H D 4 WD 55 62 CORVETTE w 3 SPD 55 PASS IQ TON w O D 56 57 1Q TON w O D RING snap 089 091 thick 3707189 1 10 54 62 PASS LQ TON w 3 SPD exc O D H D 4 WD 55 62 CORVETTE w 3 SPD 55 PASS 1 Q TON w O D 56 57 1 5 TON w O D RING snap 092 094 thick 3707190 1 10 54 62 PASS 1Q 3 TON w 3 SPD exc O D H D 4 WD 55 62 CORVETTE w 3 SPD 55 PASS 1Q TON w O D 56 57 1Q TON w O D RING snap 095 097 thick 3707191 1 10 57 63 PASS CORVETTE w 4 SPD RING locating 3725439 1 60 48 54 COMM w 3 SPD PLUG special used as transmission rear brg support lock and U joint filler plug 1 hr x Pipe md 591697 1 20 NOTE Used selectively to obtain minimum end play 4 413 SPRING PIN Transmission Synchronizing 38 54 ALL w 3 SPD energizing 1 I D x 1 O D x X4 thick 591288 2 20 48 55 COMM UTIL w 4 SPD lst Ser 55 59 Ser 3 w 4 SPD 2nd Ser 60 63 Ser 10 thru 30 w 4 SPD energizing 12 length 591575 2 10 54 63 ALL w 3 SPD H D 57 63 PASS CORVETTE w 4 SPD working dia 21 3709349 A R 20 55 63 ALL CORVETTE w 3 SPD exc H D energizing 3737448 2 20 48 55 COMM UTIL w 4 SPD lst Ser 55 59 Ser 3 w 4 SPD 2nd Ser 60 63 Ser 10 thru 30 w 4 SPD PIN spring dia x 1 length 591576 4 10 4 415 GEAR Transmission 3rd and 4th Speed 38 47 COMM UTIL w 4 SPD exc LT 3rd 4th 24 T 6 spline 11 wide 590493 1 12 70 48 55 COMM UTIL w 4 SPD lst Ser 55 59 Ser 3 w 4 SPD 2nd Ser 60 61 Ser 10 thru 30 w 4 SPD 3rd non sliding 24 T l2 1 D x 4 O D 591601 1 11 85 57 60 PASS CORVETTE w 4 SPD w bushing 29T 3 O D 3743452 1 34 15 61 63 PASS CORVETTE w 4 SPD 3rd 29 teeth 3783315 l 34 15 62 63 Ser 1O thru 30 w 4 SPD 3rd non sliding 3787247 1 11 85 4 417 GEAR Transmission lst 2nd und Reverse Sliding 40 54 ALL w 3 SPD exc H D lst and reverse 29 T 24 spline 591113 1 10 25 41 47 COMM UTIL w 4 SPD lute 1941 only lst 2nd and reverse 42 T 34 T 6 spline 605555 1 21 15 48 55 COMM UTIL w 4 SPD lst Ser 55 59 Ser 3 w 4 SPD 2nd Ser 60 63 Ser 10 thru 30 w 4 SPD lst and reverse w friction ring 3764385 1 21 25 54 63 ALL w 3 SPD H D lst and reverse 33 T 10 spline 3709334 1 17 50 55 63 ALL CORVETTE w 3 SPD exc H D lst and reverse 29 T 16 spline 3725646 1 10 25 57 63 PASS CORVETTE w 4 SPD lst speed 36T 3743458 1 37 50 57 59 PASS CORVETTE w 4 SPD reverse 39T 4 O D 3743997 1 25 35 60 63 PASS CORVETTE w 4 SPD reverse 39T 41 O D 3774912 1 25 90 Chevrolet Motor Generol Motors Corporation