I I A GM02 077 24 N S PLATE I RPO DEFINITIONS A I A A LH0 ENG NE 3 1L 3 1T V6 LM3 ENGINE 2 2L 2 2G L4 V T 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17L T t 2 000 GROUP 2 6 I 1 92