250 350 375 400 TURBO HYDRAMATIC 4 337 GEAR Transmlssion Speedumetar Driven Gears n YI C0n t 72 75 Vega w 3 36 rr axle 4 3987921 1 1 25 trans speedometer driven 21 teeth red 1968 PASSENGER SPEEDOMETER GEAR CHART NOTE Tn order Speedcmeter Gears ar Parts Transmission Type Hear Ax s 7a v and Tire Size must be known REAR 4 343 4 337 AXLE TIRE SIZE GEAR GEAIL RATI0 SPEEDO SPEEDO DRIVE DRIVEN TURBO HYDRAMATIC TRANSMISSION 2 29 8 45 x 15 8823316 9780628 229 8 25 x 14 8 55 x 14 x 8 15x15 G70 15 8623316 1359270 2 56 8 55 x 14 8 15 x 15 8 45 x 15 70 x 15 8623313 9774413 2 56 8 25 x 14 8623313 9780628 2 73 6 45 x 15 8623313 1359270 2 73 8 25 x 14 8 55 x 14 8 15 x 15 F70 x 16 G70 x 15 8623813 1359271 3 07 8 55 x 14 8 15 x 15 8 45 x15 G70 x 15 8623313 1362195 3 07 8 25 x 14 8623313 1362049 3 08 8 55 x 14 8 15 x15 8 45x15 G70x15 8623313 1362195 3 08 8 25 x 14 F70 x 15 6623313 1362049 3 31 8 45 x15 8623313 1362196 3 31 8 25 x14 8 55 x 14 6 15x15 G70x15 8623313 9775187 3 36 8 45 x 15 8623313 1362196 3 36 8 25 x 14 8 55 x 14 8 15x15 G70x15 8623313 9775167 L1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 4 337 4 337 A 4 I42 REV 4 77