63 66 Ser 80 w Spicer 5 Spd 6 50 8 87 axle ratio w 9 00 x 20 10 00 x 20 10 x 22 5 11 x 22 5 tires 68 All 427 1565212 1 24 03 6 67 6 71 9 14 axle w 10 00 20 tires 6 50 8 87 w 9 00 20 tires 62 Ser 60 Diesel Clark 5 Spd w 2 Spd axle ADAPTER ASSY 5 83 7 95 axle ratio w 7 50 x 20 tires 68 All 427 1565213 1 25 91 6 50 8 8 7 axle w 10 00 20 tires 63 Ser 50 thru 80 w 2 Spd axle exc TDM 65 66 Ser 60 Tilt 4 cyc Diesel w 15 000 16 000 lb 2 Spd axle Air Equip 65 66 Ser 60 Tilt 4 cyc Diesel w 17 000 Ib 2 Spd axle 65 66 Ser 60 4 cyc Diesel w 17 000 Ib 2 Spd axle exc Tilt TDM LCF Air Equip Tach 70 Ser 50 60 Tilt w 2 Spd axle 3828638 1 18 30 ADAPTER ASSY electric speedo 63 64 Ser 80 w 5 Spd ADAPTER ASSY 7 17 axle ratio w 7 50 x 20 8 x 22 5 8 25 x 20 9 x 25 5 tires 68 All 427 1565204 1 25 91 7 17 7 17 9 97 axle w 8 25 20 tires 63 64 Ser 80 w 5 Spd ADAPTER ASSY 7 17 axle ratio w 9 00 x 20 10 x 22 5 tires 63 65 Ser 80 5 Spd w 2 Spd axle 7 17 9 77 w 8 25 x 20 9 00 x 20 9 x 22 5 10 x 22 5 tires 68 All 427 1565206 1 24 03 7 17 7 17 9 97 axle w 9 00 20 tires 63 65 Ser 80 w 5 Spd ADAPTER ASSY 7 17 axle ratio w 10 00 x 20 11 x 22 5 tires 63 65 Ser 80 5 Spd w 2 Spd axle 7 17 9 77 axle ratio w 10 00 x 10 11 x 22 5 tires 67 For application refer to chart in 4 337 group 68 All 427 1565208 1 24 03 6 67 axle w 8 25 20 tires 7 17 axle w 10 00 20 A tires 6 50 8 87 axle w 8 25 20 0 R tires 6 71 9 14 axle w 8 25 20 tires 63 65 Ser 60 TDM w 2 Spd axle 63 65 2 cyc Diesel w 2 Spd axle exc TDM 64 65 Ser 50 thru 80 w 2 Spd axle exc TDM Diesel 65 Ser 50 Tilt 4 cyc Diesel w 15 000 Ib 2 Spd axle 65 66 Ser 80 4 cyc Diesel w 18 500 lb 2 Spd axle exc LCF Tach w Air Brake 3854530 1 18 10 ADAPTER ASSY electric speedo 65 66 Ser 60 TDM 2 cyc Diesel w Clark 5 Spd 2 Spd axle ADAP l ER ASSY speedometer 8 25 20 9 22 5 tires 65 66 Ser 80 w 5 Spd exc 4 cyc Diesel 9 22 5 tires 67 68 For application refer to chart in 4 337 group 6451930 1 28 87 65 66 Ser 60 TDM 2 cyc Diesel w 5 Spd 2 Spd axle ADAP l ER ASSY speedometer 7 50 20 tires 65 66 Ser 60 exc Muncie 4 Spd 8 25 20 tires 65 66 Ser 50 2 cyc Diesel w 2 Spd exc Tilt 9 00 20 10 00 20 10 22 5 1 1 22 5 tires 67 68 For application refer to chart in 4 337 group 6451928 1 28 87 5 57 7 59 w 7 50 20 tires 66 Ser 50 thru 80 w 2 Spd axle exc 4 cyc Diesel 66 Ser 50 Tilt 4 cyc Diesel w 2 Spd axle 67 69 Ser 50 60 Tilt w 2 Spd axle 3885433 1 17 230 ADAPTER ASSY electric speedo 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORAT ON P A 31S REV 5 71 4 157 4 329 4 329