r W V I GMO9 097 28 9 172 PLATE VLV 29 9 170 SEAL KIT COMPRESSOR SHAFT 1ST DES 2 3 30 9 175 RING SEAL SEAT RETAINER NOTE 1 ALSO PART OF O RING KIT CMPR GROUP 9 17O I A NOTE 2 SEAL KIT 2724319 GROUP 9 170 A NOTE 3 1ST DESIGN 1984 PRIOR 2ND DESIGN 1985 AFTER n t 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS CAD LLAC 62D 9 000 GROUP 9 4 11 92