GM PRODUCTION OPTIONS RPO FY LY USE DIV MODEL DIVISIONAL RPO DESCRIPTION FE7 87 91 1 Y SUSPENSION SYSTEM FRONT AND REAR HEAVY DUTY FF4 87 91 ARM TORSION BAR SPRING ADJUST LH FF5 87 91 ARM TORSION BAR SPRING ADJUST RH FG2 76 87 SHOCK ABSORBER FRONT AND REAR FIRM RIDE FG2 88 89 6 D SHOCK ABSORBER FRONT AND REAR FIRM RIDE FG3 85 87 SHOCK ABSORBER FRONT AND REAR GAS PRELOADED FG3 88 88 1 Y SHOCK ABSORBER FRONT AND REAR GAS PRELOADED FK2 82 85 ANCHOR TORSION BAR REAR 57 DEGREE FK2 87 91 ARM TORSION BAR SPRING ADJUST LH FK3 82 85 ANCHOR TORSION BAR REAR 63 DEGREE FK3 87 91 ARM TORSION BAR SPRING ADJUST RH FPO 86 86 AXLE FRONT 3 62 RATIO FP1 86 86 AXLE FRONT 2 26 RATIO FP3 86 92 TRANSAXLE FINAL DRIVE 2 73 RATIO FP5 87 87 TRANSAXLE FINAL DRIVE 2 95 RATIO FP8 86 86 AXLE FRONT 3 29 RATIO F01 88 90 AXLE FRONT STANDARD RATIO FO2 86 88 AXLE FRONT 3 48 RATIO FS3 85 91 AXLE FRONT I BEAM CONSTRUCTION 5000 LBS FW2 82 92 TRANSAXLE FINAL DRIVE 3 06 RATIO FW3 82 84 AXLE FRONT 2 33 RATIO FW4 82 85 AXLE FRONT 3 36 RATIO FW5 82 86 AXLE FRONT 4 1O RATIO FW6 82 85 AXLE FRONT 2 14 RATIO FW7 82 91 TRANSAXLE FINAL DRIVE 3 83 RATIO FW8 84 84 AXLE FRONT 1 99 RATIO FW9 82 89 TRANSAXLE FINAL DRIVE 3 43 RATIO FX2 84 85 AXLE FRONT 2 66 RATIO FX3 85 86 SUSPENSION CONTROL ELECTRONIC DRIVER SELECT FIRM 1 FX4 85 89 TRANSAXLE FINAL DRIVE 3 35 RATIO FX8 86 91 TRANSAXLE FINAL DRIVE 3 61 RATIO FY1 85 85 AXLE FRONT 2 36 RATIO FY3 88 90 TRANSAXLE FINAL DRIVE 3 79 RATIO FY5 B5 88 TRANSAXLE FINAL DRIVE 3 52 RATIO FO1 82 88 FRAME HEAVY DUTY F16 76 91 AXLE FRONT 2 53 RATIO F17 76 92 TRANSAXLE FINAL DRIVE 2 84 RATIO F25 76 87 AXLE FRONT 3 32 RATIO F40 76 91 SUSPENSION HEAVY DUTY FRONT AND REAR F41 76 87 SUSPENSION HEAVY DUTY FRONT AND REAR SPECIAL F41 88 92 SUSPENSION FIRM RIDE HANDLING FRONT AND REAR F42 76 89 SUSPENSION HEAVY DUTY FRONT F44 76 92 CHASSIS EOUIPMENT HEAVY DUTY F45 76 85 AXLE FRONT 2 93 RATIO F47 82 86 AXLE FRONT 2 73 RATIO F51 76 92 ABSORBER HEAVY DUTY SHOCK F57 82 85 AXLE FRONT 3 15 RATIO F58 76 91 BAR HEAVY DUTY FRONT STABILIZER F59 76 91 SHAFT FRONT STABILIZER F60 76 87 SPRING HEAVY DUTY FRONT F60 88 89 6 D SPRING HEAVY DUTY FRONT F61 82 92 SHAFT REAR STABILIZER F62 76 89 TRANSAXLE FINAL DRIVE 2 39 RATIO F65 76 83 SUSPENSION FRONT AIR F66 76 B7 SUSPENSION HEAVY DUTY FRONT AIR F67 82 86 AXLE FRONT 3 19 RATIO F68 82 89 TRANSAXLE FINAL DRIVE 3 45 RATIO F71 82 84 SPRING HEAVY DUTY WITH SHOCK ABSORBER F72 82 87 SPRING HEAVY DUTY WITH SHOCK ABSORBER F72 88 89 6 D SPRING HEAVY DUTY F73 88 91 2 A DRIVE ALL WHEEL F75 76 91 TRANSAXLE FINAL DRIVE 3 18 RATIO F77 82 90 TRANSAXLE FINAL DRIVE 3 73 RATIO F79 82 92 TRANSAXLE FINAL DRIVE 2 97 RATIO GH2 76 88 AXLE REAR 2 29 RATIO GH3 86 89 AXLE REAR 2 77 RATIO GM1 86 91 AXLE REAR 2 59 RATIO GM3 85 91 AXLE REAR 3 45 RATIO GM7 82 83 AXLE REAR 2 39 RATIO GM8 76 91 AXLE REAR 2 56 RATIO GS4 85 86 AXLE REAR 2 70 RATIO GT4 76 92 AXLE REAR 3 73 RATIO Y 1 1989 GENERAL MOTORS SERVICE PARTS OPERAT ONS OLDSMOB LE 32J RPO 18 REV 4 89