GM PRODUCTION OPTIONS RPO FY LY DIVISIONAL RPO DESCRIPTION WDDGM RPO DESCRIPTION HC2 76 B1 AXLE RR 2 76 RATIO Ww2 76RTHC2T HC4 76 B5 AKLE RR 4 56 RATIO WW4 56R HC4 HC7 76 B5 AXLE RR 5 13 RATIO W 5 13R HC7 HCB 76 B5 AXLE RR 3 21 RATIO W 3 ZIRYHCB HD1 B2 B4 AXLE RR 5 B3 RATIO W 5 B3RTHDl HE3 76 B4 AXLE RR 3 O7 RATIO Wf3 OTRYHE3 HE4 76 B1 AKLE RR 3 4O RATIO W 3 AORTHE41 HF7 76 85 AXLE H D RR 4 56 RATIO W7N D 4 56RTHE7 HFB 76 B5 AKLE RR 4 BB RATIO W 4 BBRTHFB HK1 B2 B6 AXLE RR 2 B7 RATIO W 2 B7RTHK1 HKD B2 B4 AKLE RR 5 B6 RATIO W 5 86RTHK9T HO4 76 85 AXLE RR 4 1I RATIO WN4 11RTHO4 H22 76 81 AXLE RR 6 17 RATIO WT6 17R H22 H23 76 B1 AXLE RR 5 43 RATIO W 5 43RTH23 H4D B5 B5 EMISSIONS CONTROL 6 CYL SPRING DPERATED EFE WfEMIS CONTTHAD H4D B5 B5 B CYL CAST IRON EXH MANIF WTEMIS CONTTHJD H5D B5 B5 EMISSIONS CONTROL 6 CYL VACUUM DPERATED EFE W EMIS CONTTHSD R5D B5 B5 B CYL STAINLESS STEEL EXH WYEMIS CONTTHSD JA1 76 B6 BRAKE SYSTEM PWR LT DUTY WYJAI JA2 76 B6 BRAKE SYSTEM PWR HVY DUTY W JA2 JA3 76 B3 BRAKE SYSTEM PWR TWABONST W JA3 JA3 B4 B6 BRAKE SYSTEM PWR EXTRA HVY DUTY WTJA3 JA4 76 Bl BRAKE SYSTEM DISC7DRUM WTJA4 JA5 76 B5 BRAKE SYSTEM PWR HVY DUTY W7JA5 JA6 76 B1 BRAKE SYSTEM MAN EXTRA LT WT W JA6 JA7 B6 B6 HANDLE LEATHER PARK BRK RELEASE W LEA BRK HDLTJATT JAB B2 B6 BRAKE SYSTEM PWR MED DUTY WTJAB JB1 76 B5 BRAKE SYSTEM MAN DISC DRUM WTJBI JB2 76 81 BRAKE SYSTEM DISC DRUM W JB2 JB3 76 85 BRAKE SYSTEM VAC PWR DISC DRUM W JB3 JB5 76 B5 BRAKE SYSTEM VAC PWR DISC DRUM W JB5 JB6 76 B5 BRAKE SYSTEM VAC PWR DISC DRUM W JB6 JB7 76 B5 BRAKE SYSTEM VAC PWR DISC DRUM WYJB7 JBB 76 B5 BRAKE SYSTEM HYD PWR DISCTDRUM W JBB JC4 B2 B6 BRAKE FRT VENTED ROTOR W JC4 JD3 76 85 BRAKE SYSTEM VAC PWR DISC DRUM WTJD3 JD5 76 65 BRAKE SYSTEM PWR DISC W JD5 JO6 76 B5 BRAKE SYSTEM HYD PWR DISC DRUM W JD6 JD7 76 B5 BRAKE SYSTEM HYD PWR DISC DRUM WTJDT JE1 76 B6 BRAKE SYSTEM EUROPETEKPURTT WNJEITEXPORT JFS 76 B5 BRAKE SYSTEM HYD PWR 4 WHL DISC W JF9 JLI 76 B3 PADS CUST PED TR W CUST PADSTJL1 JL2 76 B3 BRAKE SYSTEM FRT PWR DISC W JL2 JL5 B2 B3 BRAKE FRT SOLID DISC WTJLS JL6 76 B6 BRAKE SYSTEM MAN DISC W JL6 JM4 B6 B6 BRAKE MDDULATOR ELECTRONIC WTELEK BRK MODTJM4T JM5 B2 B6 HEAD PWR BRK BOOSTERYTANDEMT W P B BOOSIJMS JM7 76 B6 HEAD PWR BRK BOOSTERYSINGLEA WTP B BOOSTJM7 JMB 76 B5 BRAKE SYSTEM RR DISC WJJMB J41 B2 B4 DRUMS BRAKE1CAST IRONT W7J41 J42 B2 B6 DRUMS BRAKE1ALUMT W J42 JSO 76 B6 BRAKE SYSTEM VAC PWR W J5O J55 76 B5 BRAKE SYSTEM H D PWRYVAR I1 W7J55 J65 76 B6 BRAKE SYSTEM PWR DISC FRT RR W7J65 JSO 76 B1 BRAKE SYSTEM RR DRUM H D WTJSO KA5 BZ B4 VACUUM SYSTEM CAM DRIVEN W KA5 KA6 B2 B4 VACUUM SYSTEM BELT DRIVEN WTKAG KB1 B2 B4 EXHAUST MANIFOLD SHEET METAL WTKBI KB R2 B4 WATER PUMP ALUMINUM W KB3 KB7 B2 B3 HEAD CAST IRON WTKB7 KBB B2 B6 HEAD ALUM W KBB KC4 76 B6 COOLER ENC OIL PASS CAR EXC CORVETTE W KC4 EXPORTT KC4 76 B6 COOLER ENG DIL TRUCK CORVETTE W KC4 KD2 B2 B4 PUMP FUEL INJECTION TSTANADYNET WIKDZTSTANADYNE KD3 B2 B4 PUMP FUEL INJECTIDN TC A V T W KD34C A V KEI 76 B1 ELECTRONIC SPARK SELECTION W E S S YKEI KF3 76 B1 ELECTRONIC FUEL INJECTION W E F I KF3 KJ5 76 81 MOTOR STARTINGTJAPANESE EXPORT W KJBTEXPORTT KJ5 B2 85 MOTOR STARTINCTMITSUBISHIA W7KJ5 KL7 82 B5 LP GAS PREPARATION W KL7TCANADIANT KM5 76 81 CLDW SYSTEM SLOW START W SLOW GLOWTKM5 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14Y REV 1 85 27