1Y09 002 22 8 977 BOLT I WH M4 2X1 41X25 PZOR TAP 17 OD BOLT HWH M4 2X1 41X25 PZOR TAP 17 OD AR L 11508233 RPO DEFINITIONS I L98 ENGINE 5 7L 5 7 8 V8 M F I V 1 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 14Y 1 9 000 GROUP 9 2 3 93