I A GM09 097 28 9 172 PLATE VLV 29 9 170 SEAL KIT COMPRESSOR SHAFT IST DES 2 3 I 30 9 175 RING SEAL SEAT RETAINER I NOTE 1 ALSO PART OF O RING KIT CMPR GROUP 9 170 NOTE 2 SEAL KIT 2724319 GROUP 9 170 NOTE 3 IST DESIGN 1984 PRIOR 2ND DESIGN 1985 AFTER 1992 GENERAL MOTORS SERVICE PAFITS OPERATIONS BU CK 44H L L Y 4 92 9 15 9 000 GROUP