A 1Y03 001 NOTE 1 1985 1ST DESIGN USED WITH INTEGFIAL WELDEI HEAT SHIELDS f NOTE 2 1985 2ND DESIGN USED WITHOUT INTEGRAL WEYLDED HEAT SHIELDS RPO DEFINITIONS L83 ENG NE 5 7L 5 7 8 V8 L98 ENGINE 5 L 5 7 8 V8 M F I V 1993 GENERAL MOTORs SERVICE PARTS 0PERAT 0NS CHEVROLET 14Y 3 93 3 117 3 000 GROUP