K GM04 304 398 I N S SPRING 1 2 SERVO CONT VLV 1 A NOTE 1 PART OF VALVE CONT 1987 8662773 1988 8668399 1989 9CLH 8668420 1989 9YBH 8675138 1990 OLMH 8662996 GROUP 4 265 A NOTE 2 PART OF 4 005 8646975 GASKET KIT W SEALS 1987 88 NOTE 3 PART OF 4 005 8646976 OVERHAUL KIT W SEALS GSKTS PLTS 1987 88 NOTE 4 PART OF 4 005 8662959 GASKET KIT W SEALS 1989 NOTE 5 PART OF 4 005 8662960 OVERHAUL KIT W SEALS GSKTS F LTS 1989 9CLH NOTE 6 PART OF 4 005 8662989 OVERHAUL KIT W SEALS GSKTS PLTS 1989 9YBH I NOTE 7 PA RT OF 4 005 8662986 OVERHAUL KIT W SEALS GSKTS PLTS 1990 r A t 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17A 5 9 1 A 4 87 4 000 GROUP