55 51 PASS lf TON w O D SEAL ASSY overdrlve czcnse 55 63 PASS exc O D 55 63 CORVETTE 8 cyl 55 159 bg TON 60 63 Ser 10 20 w 3 SPD PKG exc H lD extension oil 2 1 3746212 1 2 30 4 3291 ADAPTER AD 1FlZPTE1H UNIT Speedometer 38 63 For models and comb see Glroup 4 337 ratio 17 15 sxtampecl 1563872 1565813 A Fl 17 81 38 63 1Yor models and comb see Group 4 337 ratio 16 17 sltampexzl 156440 9 1565814 A Fl 17 51 45 55 2 TON 2 SPD axle w Vols Sliilt lst Sei w axle ratio 6 13 8 10 3682957 1 13 55 5 55 1 TON lst ser exc FR ratio 15 17 W 115 6 and 8 ply mes 1580273 1 1781 55 1 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 1 TON exc D D 7 00 x 17 6 8 ply tires 1 1583876 1 20 0 63 Ser 10 3 07 axle w 3 SPD 1 lD 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 SP1 H D 4 SP D 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 usecl as required in combilnation with aspeedoineter gears to correct odometer reading lor various tire sizes transmission and rear axle gear ratio com lninatior1s See l5 1I Cl11 l 4 337 speedo gears unit tor usciqesl LEVER Pll0D Speedometer Gear Adlapler Z SIPEED 46 55 ALL w Vac Shift 1 w arm usevv 361329157 EATO111 stmp d 17401 1 5239407 1 1 10 48 53 ALL w Vac Shift exc EEC ROD control lever 42 length 3687082 1 20 48 55 SBC FFC w 2 SPD 1sl Ser ROD control lever 231 length 3687326 1 10 54 55 ALL w Vac Shift lst Ser exc FTC ROD control lever 4 l5 length 3709882 1 15 4 330 KEY PIN ClUl F Speetlonmeler Adapter 38 63 ALL CORVETTE also incrluclecl w ciclapters 1565811 12 13 14 lEi8 1Z 2 3 13876 867209 1 50 46 55 Z2 SPD w Vac Shift lst Ser PIN gear 3685040 1 10 ALL ALL CUP drive 14 32 x 1 3 Q nickel bright 860187 1 90 4 337 GEAR GE R l lSlSY SElI R UNIT Trunsmgisssiuzn Speedometeanr Driven GEARS only 55 57 PASS w 3 SPD exc O D 56 60 CORVETTE wl 3 70 axle 58 60 PASS 4 SPD w 3 55 axle 60 PASS w 3 70 axle 22 teeth nlylon solid green 3708699 1 65 55 56 PASS w A T 56 60 CORVETTE P G w 13 55 azszle 58 60 PASS w 3 SPD exc O VD 21 teeth nlylon solid red 37081421 1 65 57 60 PASS w A T 59 62 lg TON w 3 38 4 11 axle exc 1 1 D 20 teeth nylon solid blue 3708246 1 65 55 57 lg TON w O D 56 60 CORVETTE w 4 11 axle 24 teeth nylon solid yellow 3708143 1 65 55 58 PASS w O 1 D 59 60 PASS O D w 4 11 axle 25 teeth nylon no color ident 3738400 1 65 58 ly TON J3 SPD w 3 70 axle w shatt 7 x 17 5 8 x 17 5 15 ic 6 59 lg 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 ID D w 3 SPD w shaft 7 x 17 5 8 11 17 5 21 teeth steel 3749307 1 1 35 55 58 lD D w 3 SPD exc HQO 7 00 x 17 7 50 1 17 55 58 EQ TON w 3 SPD exc HD 1 D 6 50 x 16 6 ply 57 60 CORVETTE w 4 56 axle 55 62 ly TON w 3 SPD P G 3 90 axle exc 6 70 x 15 1 5 x 5 50 6 50 x 16 20 teeth H D steel 3845071 1 1 25 gvlgxiggit Motor Division General Mlotors Corporatwn