3 SPEED TRANSMISSION 1968 CHEVY CHEVELLE CAMARO SPEEDOMETER GEAR CHART NOTE T0 order Speedometer Gears 0r Parts Transmission Type Rear Axle Ratio and Tire Size must be known 4 343 4 337 4 329 REAR GEAR GEAR AXLE TIRE SIZE SPEEDO SPEEDO ADAPTER RATIO DRIVE DRIVEN SPEEDO 3 SPEED H D 3 SPEED TRANSMISSION exc O D 2 56 7 35 x 14 3905494 2 56 E70 x 14 F70 x 14 3905494 3987919 2 73 7 35 x 14 7 75 x 14 E70 x 14 F70 x 14 3905494 3987919 3 07 7 35 x 14 7 75 x 14 F70 X 14 G70 x 14 E7O x 15 6261794 3987919 3 07 E70 x 14 6261794 3987920 3 08 7 75 x 14 F7O x 14 G7O x 14 6261794 3987919 3 08 7 35 x 14 E70 x 14 6261794 3987920 3 31 7 75 x 14 G7O x 14 E70 x 15 6261794 3987920 3 31 7 35 x 14 E7O x 14 F70 x 14 6261794 3987921 3 36 7 35 x 14 7 75 x 14 F7O x 14 G70 x 14 6261794 3987921 3 36 E70 x 14 6261795 3860345 3 55 7 35 x 14 7 75 x 14 F70x14 G70x14 E70 x 15 6261795 3860345 3 55 E70 x 14 6261795 3860346 3 70 7 35 x 14 7 75 x 14 F70 x 14 G70 x 14 6261795 3860346 3 73 7 75 x 14 F7O x 14 G70 x 14 E70 x 15 6261795 3860346 3 73 7 35 x 14 E70 x 14 6261795 3860347 4 10 7 35 x 14 6261795 3860345 3890575 4 10 7 75 x 14 F70 x 14 G70 x 14 6261795 3860348 4 10 7 35 x 14 F7O x 14 6261794 3987920 4 10 E70 x 14 6261795 3860345 4 10 E70 x 15 6261795 3860348 4 56 7 75 x 14 G70 x 14 6261795 3860346 3890575 4 56 7 35 x 14 F70 x 14 6261795 3860347 3890575 4 56 7 35 x 14 6261795 3860347 4 56 F70 x 14 E70 x 15 6261795 3860346 4 56 E7O x 14 6261795 3860346 4 89 7 75 x 14 F70 x 14 G70 x 14 6261795 3860348 3890575 4 89 7 35 x 14 6261795 3860348 3905497 4 89 E70 x 14 E70 x 15 6261795 3860346 4 89 7 35 x 14 F70 x 14 6261795 3860347 3 SPEED TRANSMISSION w O D 3 70 7 35 x 14 7 75 x 14 F70 x 14 G7O x 14 6261795 3860346 GM PARTS DIVISION GENERAL MOTORS CORPORAT ON CHEVROLET 11 4 000 GROUP 4 2 c REV 4 81