1988 SPEEDO GEAR USAGE CHART B CAR NOTE SLEEVE PART NUMBER IS SHOWN ONLY IF SERVICED SEPARATELY WHEN SLEEVE NUMBER IS NOT SHOWN THEN IIT IS SERVICED AS PART OF THE DRIVEN GEAR T T S E C 1 E T E O g E COLOR SLEEVEEE M DRIVE T D y DRIVEN T OR OR P GEAR H COLOR E 1 GEAR H CODEE SEINIESOFM ADAPTER RATIO D 8634934 13 WHITE N 25524921 28 YELLOW 8634935 12 RED O 25524923 27 BLACK D D A V R G R G D 2 I E I E A V A V A P TIRE SIZE AXLIE1 TRANS E R E R T N R P 225 75 15 M m A nj P225 75 115 M P225 75 115 M 1991 GENERAL MOTORS SERVICE IPARTS O P ERAT ONIS OLDSMOB LE 32W i 6 91 41 143 4 337