55 61 PASS TON w O D SEAL ASSY overdrive case 55 63 PASS exc O D 55 63 CORVETTE 8 cyl 55 59 VZ TON 60 63 Ser 10 20 w 3 SPD P G exc H D extension oil 2 O D 3746212 l 2 30 4 329 ADAPTER ADAPTER UNIT Speedometer 38 63 For models and comb see Group 4 337 ratio 17 15 stamped 1563872 1565813 A R 17 81 38 63 For models and comb see Group 4 337 ratio 16 17 stamped 1564409 1565814 A R 17 81 46 55 2 TON 2 SPD axle w Vac Shift lst Ser w axle ratio 6 13 8 10 3682957 1 13 55 58 55 3 TON lst Ser exc FR ratio 15 17 w 15 6 and 8 ply tires 1580273 1 17 81 55 M TON w 3 SPD H D 4 SPD 2nd Ser ratio 18 14 w 7 00 17 6 and 8 8 x exc D D 19 5 tires 57 58 3 TON exc D D 7 00 x 17 6 8 ply tires 1583876 1 20 10 63 Ser 10 3 07 axle w 3 SPD H D 4 SPD ratio 17 14 w 6 50 16 7 00 15 or 7 17 5 6 ply tires 1563967 1 17 33 60 62 Ser 10 thru 30 w 3 SPD H D 4 SPD ADAPTER UNIT 3 38 axle ratio w 15 x 5 50 6 50 x 16 6 00 x 16 7 00 x 15 7 x 17 5 tires 1565812 1 19 15 NOTE Above adapters used as required in combination with speedometer gears to correct odometer reading for various tire sizes transmission and rear axle gear ratio com binations See Group 4 337 speedo gears unit for usages LEVER ROD Speedameter Gear Adapter 2 SPEED 46 55 ALL w Vac Shift w arm use w 3682957 EATON stmp d 17401 5239407 l 1 10 48 53 ALL w Vac Shift exc FFC ROD control lever 42 length 3687082 1 20 48 55 SBC FFC w 2 SPD lst Ser ROD control lever 31 length 3687326 1 10 54 55 ALL w Vac Shift lst Ser exc FFC ROD control lever 4 length 3709882 1 15 4 330 KEY PIN CUP Speedometer Adapter 38 63 ALL CORVETTE also included w adapters 15658l1 12 13 14 1580273 3876 867209 1 50 46 55 2 SPD w Vac Sh ift lst Ser PIN gear 3685040 1 10 ALL ALL CUP drive 32 x 1 nickel bright 860187 1 90 4 337 GEAR GEAR ASSY GEAR UNIT I ran missi0n Speedometer Driven GIIARS onlly 55 57 PASS w 3 SPD exc O D 56 60 CORVETTE w 3 70 axle 58 60 PASS 4 SPD w 3 55 axle 60 PASS w 3 70 axle 22 teeth nylon solid green 3708699 1 65 55 56 PASS w A T 56 60 CORVETTE P G w 3 55 axle 58 60 PASS w 3 SPD exc O D 21 teeth nylon solid red 3708142 1 65 57 60 PASS w A T 59 62 M TON w 3 38 4 11 axle exc H D 20 teeth nylon solid blue 3708246 1 65 55 57 b TON w O D 56 60 CORVETTE w 4 11 axle 24 teeth nylon solid yellow 3708143 1 65 55 58 PASS w O D 59 60 PASS O D w 4 11 axle 25 teeth nylon no color ident 3738400 1 65 58 TON 3 SPD w 3 70 axle w shaft 7 x 17 5 8 x 17 5 15 x 6 59 VQ TON 3 SPD w 3 70 axle 7 x 17 5 8 x 17 5 15 x 5 50 60 61 Ser 10 3 SPD w 3 90 axle 6 50 x 16 7 x 17 5 8 x 17 5 18 teeth steel 3749305 1 1 35 58 D D w 3 SPD w shaft 7 x 17 5 8 x 17 5 21 teet11 steel 3749307 1 1 35 55 58 D D w 3 SPD exc H D 7 00 x 17 7 50 x 17 55 58 TON w 3 SPD exc H D D D 6 50 x 16 6 ply 57 60 CORVETTE w 4 56 axle 55 62 TON w 3 SPD P G 3 90 axle exc 6 70 x 15 15 x 5 50 6 50 x 16 20 teeth H D steel 3845071 1 1 25 C l dil3 t Motor Division General Motors Corporatxon