3 SPEED TRANSMISSION 1969 CORVETTE SPEEDOMETER GEAR CHART VOT 7 T0 order Speedometer Gears er Parts Transmission Type Hear Ax e Hat 0 and T re S ze must be known 4 343 4 337 REAR GEAR GEAR 4 329 AXLE TIRE SIZE SPEEDO SPEEDO ADAPTER RATIO DRIVE DRIVEN SPEEDO 2 56 F 70x15 G70x15 G78 x 15 3924099 3987919 3925673 2 73 370x 15 G78x 15 8 25 x 15 8 55 x 15 3924099 3987918 2 73 F7O x 15 3924099 3987919 3 07 8 25 x 15 G70 x 15 G78 x 15 3924098 3987918 3 07 8 55 x 15 3924099 3987920 3 07 EZ70 x 15 F70 x 15 3924099 3860344 3 08 8 55 x 15 G70 x 15 G78 x 15 3924098 3987918 3 08 8 25 x 15 F7O x 15 3924099 3860344 3 31 8 55 x 15 3924098 3987919 3 31 8 25 x 15 E70 x 15 F70 x 15 G70 x 15 G78 x 15 3924098 3987920 3 36 8 15x 15 8 55x 15 F7O x 15 G70 x 15 G78 x 15 3924098 3987920 3 55 8 25 x 15 8 55 x 15 G7O x 15 G78 x 15 3924098 3860344 3 55 EE70 x 15 F70 x 15 3924097 3860345 3 73 8 25 x 15 8 55 x 15 G70 x 15 G78 x 15 3924097 3860345 3 73 EE70 x 15 F70 x 15 3924097 3860346 4 10 8 25 x 15 8 55 x 15 G70 x 15 G78 x 15 3924097 3860347 4 56 8 55 x 15 3924098 3987919 3932220 4 56 8 25 x 15 G70 x 15 G78 x 15 3924098 3987920 3932220 4 56 8 25 x 15 3924098 3987920 3932220 4 88 8 25 x 15 8 55 x 15 G70 x 15 G78 x 15 3924098 3860344 3932220 1970 CORVETTE SPEEDOMETER GEAR CHART 4 337 4 343 REAR GEAR GEAR AXLE REAR TIRE SIZE SPEEDO SPEEDO RATIO DRIVEN DRIVE 3 07 370x15 G78x15 H78 x 15 8 25 x 15 3987918 3924098 3 07 F78 15 3987919 3924098 3 08 H70 x 15 F78 x 15 3987919 3924098 3 08 570 x 15 G78 x 15 H78 x 15 8 25 x 15 3987918 3924098 3 36 H7O x 15 H 78 x 15 3987920 3924098 4 338 FITTING RETAINER SEAL SLEEVE Speedometer Driven Gear 55 60 Corvette 3708147 1 96 25 OL 51 70 Corvette 3869914 1 2 50 w seal 55 70 Corvette exc P Trac 3708148 1 11 RETAINER gear fitting 9 m I D 68 Corvette w P Trac 1362294 1 4 21 SLEEVE w seal J5 70 Corvette 6264903 1 18 SEAL gear fitting O ring hole plug IG LD 4 342 SHAFT ASSY SHAFT UNIT CLIP Speedometer without Casing 53 56 Corvette 1562889 1 5 85 B 66 67 Corvette 1564778 1 2 02 56 S 68 70 Corvette 6453991 1 2 52 lower flex 68 Corvette 6477499 1 3 11 upper flex B1 69 70 Corvette 6477297 1 1 66 37 lt upper flex 1974 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET P A 3OB 4 337 4 342 4 12 REV 9 74