I I I I TZS16 03 A CONTINUED RPO DEFINITIONS I X88 CONVERSION CHEVROLET YC2 SLE COMFORT EQUIPMENT I I YC3 SLS SPORT EQUIPMENT I A I YC9 CONVENIENCE PKG DECOR LEVEL 9 I I YE2 CONVENIENCE PKG DECOR LEVEL 2 LOW T RIM YE3 CONVENIENCE PKG DECOR LEVEL 3 HIGH TRIM ZR9 SYCLONE PERFORMANCE PACKAGE A Z79 TYPHOON PERFORMANCE PACKAGE Z88 GMC TRUCK 4 A 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 53S i I 18 000 GROUP 18 38 A 1 92 I