Icp 4 343 Icp 4 331 Gear Gear Gp 4 329 Gp 4 338 Rear Speedometor Speedometer Adapter Fitting Speedometer Axle Ratio Tire Size Type Drive Driven Speedometer Assy Gear Units Clark 5 Speed Transmission exc S A E Bell Housing 5 57 7 59 7 00 20 7 50 20 exc 0 R 3918804 3918805 1584275 5 57 7 59 7 50 20 O R 8 25 20 3918804 3918805 1584278 5 57 7 59 9 00 20 10 00 20 3918804 3918805 1565452 6 50 8 85 7 00 20 3918804 3918805 1585657 6 50 8 85 7 50 20 8 25 20 3818804 3918805 1584277 6 50 8 85 9 00 20 3918804 3918805 6 50 8 85 10 00 3918804 3918805 1584275 6 50 8 86 7 50 20 O R 3918804 3918805 1584277 6 50 8 86 8 25 20 9 00 20 3918804 3918805 6 50 8 86 10 00 20 3918804 3918805 1584275 6 50 8 87 8 25 20 3918804 3918805 1584277 6 50 8 87 9 00 20 3918804 3918805 6 50 8 87 10 00 20 3918804 3918805 1584275 7 17 9 76 7 50 20 8 25 20 3918804 3918805 1585657 7 17 9 76 9 00 20 3918804 3918805 1584277 7 17 9 76 9 00 20 3918804 3918805 64I76884 7 17 9 76 10 00 20 3918804 3918805 1584277 7 17 9 77 7 50 20 O R 8 25 20 3918804 3918805 1585657 7 17 9 77 9 00 20 3918804 3918805 158427799 7 17 9 77 9 00 20 3918804 3918805 6476884 7 17 9 77 10 00 20 3918804 3918805 1584277 4 86 6 61 7 50 20 O R 3918804 3918805 1565452 4 86 6 61 7 50 20 exc O R 8 25 20 39 18804 3918805 6451928 4 86 6 61 9 00 20 3918804 3918805 6309741 Clark 5 Speed Transmission w 427 6 50 8 87 8 25 20 exc 0 R 2431616 2431617 1565210 6 50 8 87 8 25 20 O R 2431616 2431617 1565208 6 50 8 87 9 00 20 2431616 2431617 1565212 6 50 8 87 10 00 20 2431616 2431617 1565213 6 71 9 14 8 25 20 2431616 2431617 1565208 6 71 9 14 9 00 20 2431616 2431617 1565210 6 71 9 14 10 00 20 2431616 2431617 1565212 7 17 9 77 8 25 20 2431616 2431617 1565204 7 17 9 76 9 00 20 2431616 2431617 1565206 7 17 9 76 10 00 20 2431616 2431617 1565208 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORAT ON P A 31SY 4 337 4 337 4 so REV 6 7