SPEEDOIVIETER GEAR CHARTS 1968 1970 3 SPEED MANUAL TRANSMISSION DRIVEN GEAR V67 DRIVEN DRIVEN PART GEAR COLOR PART GEAR COLOR NO TEETH CODEI NO TEETH CODE 1359273 39 Brown 3987919 19 Natural 3708143 24 Yellow 3708699 22 Green 3860345 22 Green 3860346 23 3845071 20 3860347 24 Yellow 3860033 21 3860348 25 Orange 3860329 20 3987920 20 Blue 3987918 18 Brown 1968 CORVETTE SPEEDOIVIETER GEAR CHART NOTE To order Speedometer Gears or Parts Transmission Type Rear Ax e Ratio and Tire Size must be known 41 343 4 337 REAIR GEAR GEAR 4 329 AXLIE TIRE SIZE SF EEDO SPEEDO ADAPTER RATIIO DRIVE DRIVEN SPEEDO 2 73 8 15 x 15 8 45 x 15 G70 x 15 3905494 3987918 3 07 8 15 x 15 8 45 x 15 G70 x 15 A 6261794 3987918 3 07 F70 x 15 6261794 3987919 3 08 8 15 x 15 8 45 x 15 G 7O x 15 6261794 3987918 3 08 F70 x 15 6261794 3987919 3 31 8 45 x 15 6261794 3987919 3 31 8 15x15 F70x15 G70 x 15 6261794 3987920 3 36 8 15 x 15 F70 x 15 G7O x 15 61261794 3987920 3 55 8 15 x 15 8 45 x 15 G70 x 15 6261794 3 55 F70 x 15 3860345 3 70 8 15 x 15 F70 x 15 G70 x 15 3860345 3 70 8 45 x 15 62261794 3 73 8 15 x 15 8 45 x 15 370 x 15 3860345 3 73 F70 x 15 3860348 4 1 8 15 x 15 8 45 x 15 370 x 15 3860347 4 56 8 45 x 15 3860345 3890575 4 56 8 15 x 15 G7O x 15 3860346 3890575 4 89 8 15 x 15 8 45 x 15 G70 x 15 3860347 3890575 WAREHOUSlNG AND DISTRIBUTION DIVIJSION OF GENERAL MOTORS CORPORATlON CHEVROLET 14 REV 5 81 4 1 c 4 000 GROUP