POWERGLIDE TRANSMISSION 4 338 FITTING RETAIINER SEAL Speadomeater Driven Gear NOTE For detailed application use speedometer gear chart 60 62 Ser 10 20 w P G 3708147 1 90 2 L 61 63 Ser 10 20 37485233 1 90 2 0 L n 63 67 Ser 10 20 w P G 64 70 G 10 20 68 70 Ser 10 20 Blazer 3869914 1 2 00 w seal 68 For application refer to V chart in group 4 337 37492 42 1 2 15 19 teeth brown and green paint 68 For application refer to chart in group 4 337 3756911 1 2 15 11 teeth yellow and orange paint 68 For application refer to chart in group 4 337 3705582 1 2 35 20 teeth orange and green paint 68 For application refer to chart in group 4 337 3756915 1 2 15 13 teeth green and black paint 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 REV 6 71 4 145 4 338 4 338