A I GM03 247 NOTE I ALL YEARS NOT RELEASED AT TIME OF PUBLICATION A I RPO DEFINITIONS JM4 J BRAKE SYSTEM POWER FRONT D SC REAR DRUM ANTI LOCK CAST IRON K34 CRUISE CONTROL AUTOMATIC ELECTRONIC L27 ENGINE 3 8L 3 8L V6 USED WITH GRAN TOURING PKG Y56 NW9 TRACTION CONTROL ELECTRONIC A I uf 1992 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS BU CK 44H A 3 000 GROUP i 3 34 4 92