1988 SPEEDO GEAR USAGE CHART R1 2 3 4 SPEED NOTE SLEEVE PART NUMBER IS SHOWN ONLY IF SERVIOED SEPARATELV WHEN SLEEVE NUMBER N NOT SHOWN THEN IT IS SERVICED AS PART OF THE DRIVEN GEAR T T S E E T E E COLOR SLEEVE M DRIVE T T OR OR P GEAR H OOLOR H CODE SENSOR ADAPTER RATIO D 3866742 7 STEEL N 3866798 18 H 326561 H 3950350 1 3000 J 0 3866799 19 J 326561 I 3950354 0 9743 Y P 3866917 20 K 326561 J 14008209 1 3600 BM 0 3566918 21 L 326561 K 14020836 1 2500 BT R 3866919 22 M 326561 D A P TIRE SIZE AXLE LT215 85R16 LT215 85R160R J LT235 85816 LT235 85R160R 7 50 16LT J 7 50 ISLTDOR LT215 85816 LT215 85R1GOF1 V LT235 85R16 LT235 85R160F1 7 50 16LT 7 50 IGLTOOR 3 73 LT215 85816 LT215 85R16OR LT235 85RlG LT235 85R160R A 7 50 16LT 7 50 l6LTOOR 4 10 I LT215 85816 LT215 8581608 LT235 85R16 LT235 85R160R 7 50 16LT 1 50 mm mo nn r 1990 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK 52F REV 9 90 mss 4 450