GM PRODUCTION OPTIONS RPO FY LY USE DIV MODEL DIVISIONAL RPO DESCRIPTION Y5S 86 87 ARMY VEHICLE IDENTIFICATION Y5T 86 87 NAVY VEHICLE IDENTIFICATION Y5U 86 87 MARINE VEHICLE IDENTIFICATION YSV 86 87 AIRFORCE VEHICLE IDENTIFICATION Y5O 82 87 RIVIERA SPORTY T TYPE YSO 88 88 4 E RIVIERA T TYPE MERCHANDISING OPTION CONSISTS OF ACI ADJUSTER SEAT 8 WAY POWER BUCKET PASSENGER AN3 SEAT FRONT BUCKET DRIVER PASSENGER WITH ELECTRONIC BODY SUPPORT CONTROLA80 ADJUSTER SEAT BACK POWER RECLINING DRIVER A81 ADJUSTER SEAT BACK POWER RECLINING PASSENGER B84 ORNAMENTATION EXTERIOR BODY SIDE MOLDING B94 ORNAMENTATION EXTERIOR BODY EMBLEM USED WITH T TYPE Y50 DB9 PAINT TWO TONE SPECIAL DECOR F41 SUSPENSION FIRM RIDE HANDLING FRONT AND REAR F79 TRANSAXLE FINAL DRIVE 2 97 RATIO NP5 STEERING WHEEL LEATHER WRAPPED PH3 WHEEL 15X6 CAST ALUMINUM ONS TIRE P215 65R15 N T2T T TYPE PERFORMANCE SPECIFICS T38 LAMPS PARK AND TURN SIGNAL AMBER LENS USED WITH T TYPE Y50 UX1 RADIO AM FM STEREO WEATHER CASSETTE EOUALIZER ETR INCLUDES CLOCK Y5O 89 89 4 E RIVIERA T TYPE MERCHANDISING OPTION CONSISTS OF AC1 ADJUSTER SEAT 6 WAY POWER BUCKET PASSENGER AN3 SEAT FRONT BUCKET DRIVER PASSENGER WITH ELECTRONIC BODY SUPPORT CONTROLABO ADJUSTER SEAT BACK POWER RECLINING DRIVER A81 ADJUSTER SEAT BACK POWER RECLINING PASSENGER B94 ORNAMENTATION EXTERIOR BODY EMBLEM USED WITH T TYPE Y50 D89 PAINT TWO TONE SPECIAL DECOR F41 SUSPENSION FIRM RIDE HANOLING FRONT AND REAR F79 TRANSAXLE FINAL DRIVE 2 97 RATIO PH3 WHEEL 15X6 CAST ALUMINUM ONS TIRE P215 65R15 N T2T T TYPE PERFORMANCE SPECIFICS UX1 RADIO AM FM STEREO WEATHER CASSETTE EOUALIZER ETR INCLUDES CLOCK Y51 84 84 MILLER HIGH LIFE SPECIAL CAR Y52 82 83 REGAL DECOR OPTION Y53 85 85 RIVIERA C R T SPECIALTY CAR Y56 86 87 PERFORMANCE PACKAGE Y56 88 90 4 C GRAND TOURING PACKAGE MERCHANDISING OPTION CONSISTS OF F41 SUSPENSION FIRM RIDE HANDLING FRONT AND REAR F79 TRANSAXLE FINAL DRIVE 2 97 RATIO NP5 STEERING WHEEL LEATHER WRAPPED PH3 WHEEL 15X6 CAST ALUMINUM ONS TIRE P215 65R15 N VO8 COOLING SYSTEM HEAVY DUTY Y56 88 91 4 A T PACKAGE MERCHANDISING OPTION CONSISTS OF FE2 SUSPENSION SYSTEM RIDE AND HANDLING NP5 STEERING WHEEL LEATHER WRAPPED PD7 WHEEL 14X6 5 RAISED FINGERS OUTER RIM INCLUDES CENTER CAP AND BUICK LOGO INSERT CAST ALUMINUM OMB TIRE ALL P215 GOR14 N SB RADIAL BLACK LETTER EAGLE GT Y56 B8 91 4 W GRAND TOURING PACKAGE MERCHANDISING OPTION Y56 89 89 4 H PACKAGE GRAN TOURING MERCHANDISING OPTION CONSISTS OF F41 SUSPENSION FIRM RIDE HANDLING FRONT AND REAR F79 TRANSAXLE FINAL DRIVE 2 97 RATIO LN3 ENGINE 3 8L V6 NP5 STEERING WHEEL LEATHER WRAPPED PH3 WHEEL 15X6 CAST ALUMINUM ONS TIRE P215 65R15 N VO8 COOLING SYSTEM HEAVY DUTY Y56 89 89 4 N PACKAGE GRAN TOURING MERCHANDISING OPTION CONSISTS OF FE3 SUSPENSION SYSTEM SPORT USED WITH CALIFORNIA SPECIAL WE9 PERFORMANCE PACKAGE Y56 JA7 HANDLE PARK BRAKE RELEASE LEATHER WRAPPED NPS STEERING WHEEL LEATHER WRAPPED PD8 WHEEL 14X6 STYLED INCLUDES CENTER CAP WITH BUICK LOGO AND LOCKING NUTS ALUMINUM USED WITH PERFORMANCE PACKAGE Y56 CONTINUED 1990 GENERAL MOTORS SERVICE PARTS OPERAT ONS PONT AC 22W T RP0 54 REV 6 90