V I TS04 012 I I RPO DEFINITIONS I MW1 TRANSMISS ON MANUAL 5 SPEED MY2 TRANSM SSION MANUAL 5 SPEED I X88 CONVERSION CHEVROLET J ZR9 SYCLONE PERFORMANCE PACKAGE M A Z70 OLDSMOBILE BRAVADA Z70 Z79 TYPHOON PERFORMANCE PACKAGE Q Z88 GMC TRUCK I I 1992 GENERAL MOTORSASERVICE PARTS OPERATIONS LT TRUCK 53S A 4 000 GROUP 4 2 1 92