A I I 4 I TZS02 08 RPO DEFINITIONS A I E VB2 BUMPER REAR STEP INCLUDES IMPACT STRIP PAINTED VB3 BUMPER REAR STEP INCLUDES IMPACT STRIP CHROME V43 BUMPER REAR STEP PAINTED YC1 DURANGO HIGH SIERRA EQUIPMENT MID LEVEL YC2 TAHOE SIERRA CLASSIC EQUIPMENT LUXURY I YC3 SPORT GYPSY EQUIPMENT PERSONAL LUXURY A I t 1990 GENERAL MOTORS SERVICE PARTS 0PERATIONS LIGHT TRUCK 528 1 2 000 GROUP I I 2 36 s 1 0 90