1988 BUICK SALES OPTION Z7T OPTION REGAL CUSTOM MODEL VVN57 W Z7T CHANGES VIN TO WB57 OPTIONS Z7T REGAL CUSTOM B5T PACKAGE EXTR APPEAR BLACKOUT B5U PACKAGE EXTR APPEAH GROUND EFFECT B52 PACKAGE EXTR APPEAR RIBBON B71 MOLDING WHL OPG CU TOM BLACK B83 MOLDING RKR PNL B94 EMBLEM BODY C75 LAMP INTR FRT HD CTSY DUAL RDG C91 LAMP DOME FE1 SUSPENSION SYSTEM SOFT RIDE UT1 BUZZER TONE GEN WRNG Y56 PERFORMANCE PACKAGE j 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 45W 2 93 13