3 SPEED TRANSMISSION 1968 PASSENGER SPEEDOMETER GEAR CI IART NOTE T0 order Speedometer Gears or Parts Transmission Type Rear Axle Ratio and Tire Size must be known 4 343 4 337 4 329 REAR GEAR GEAR AXl E TIRE SIZE SPEEDO SPEEDO ADAPTER RATIO DRIVE DRIVEN SPEEDO 3 SPEED H D 3 SPEED exc O D 2 73 8 55 x 14 8 15 x 15 8 45 x 15 G70 x 15 3905494 3987918 2 73 8 25 x 14 3905494 3987919 3 07 8 55 x 14 8 15 x 15 8 45 x 15 G70 x 15 6261794 3987918 3 07 8 25 x 14 F70 x 15 6261794 3987919 3 08 8 55 x 14 8 15 x 15 8 45 x 15 G7O x 15 6261794 3987918 3 08 8 25 x 14 F70 x 15 6261794 3987919 3 3 I 8 45 x 15 6261794 3987919 3 3 I 8 25 x 14 8 55 x 14 8 15 x 15 F7O x 15 G70 x 15 6261794 3987920 3 315 8 25 x 14 8 55 x 14 8 15 x 15 F70 x 15 G70 x 15 6261794 3987920 3 5 5 8 25 x 14 8 55 x 14 8 15 x 15 8 45 x 15 G70 x 15 6261794 3987921 3 5 5 F70 x 15 6261795 3860345 3 710 8 25 x 14 8 55 x 14 8 15 xx 15 F7O x 15 G70 x 15 6261795 3860345 3 7 0 8 45 x 15 6261794 3987921 3 73 8 55 x 14 8 15 x 15 8 45 x 15 G70 x 15 6261795 3860345 3 73 8 25 x14 F7O x 15 6261795 3860348 4 10 8 55 x 14 8 15 x 15 8 45 x 15 G70 x 15 6261795 3860347 4 10 8 25 x 14 6261795 3860348 4 11 F70 x 15 6261795 3860348 4 56 8 55 x 14 8 45 x 15 6261795 3860345 3890575 4 56 8 25 x 14 8 15 x 15 G70 x 115 6261795 3860346 3890575 4 56 F70 x 15 3845079 3860033 4 89 8 55 x 14 8 15 x 15 8 45 x 15 G70 x 15 6261795 3860347 3890575 4 89 8 25 x 14 6261795 3860348 3890575 3 SPEED TRANSMISSION w O D 3 70 8 25 x 14 8 55 x 14 8 45 x 15 G70 x 15 6261795 3860345 GM PARTS DIVISION GENERAL MOTORS CORPORAT ON C IEVROLEET 11 REV 4 81 4 1 c 4 000 GROUP