I I I A 4 A I I I TX04 0633 355 4 265 PLUG SLEEVE VLV BORE 91 92 STI I 8654337 RPO DEFINITIONS I LB4 ENGINE 4 3L 4 3Z V6 i LN8 ENGINE 2 5L 2 5E L4 I I L35 ENGINE 4 3L 4 3W CENTRAL PORT NJECTION V6 9O DEG L38 ENGINE 2 5L 2 5A 4 CYL MD8 TRANSMISS ON AUTOMAT C 4 SPEED THM7OOR4 4L60 VD1 PROVISION OPTIONS EUROPE EXPORT ZR9 SYCLONE PERFORMANCE PACKAGE Z79 TYPHOON PERFORMANCE PACKAGE 1 1992 GENERAL MOTORS SERVICE PARTS 0PEnAT 0Ns LT TnucK 53s 4 000 GROUP 4 50 1 92 I