GM04 331 368 N S SPRING TH ROT VLV 1 I I 369 N S VALVE THROT 1 371 4 265 PIN THROT VLV REV BOOST BUSH 8628385 372 4 104 PLUG BORE PRESS REG 8652128 I j 373 4 338 RETAINER HAIR PIN TYPE I 8665566 374 N S SPRING PRESS REG 1 I 375 4 104 PLUG VLV BORE ISOLATOR 8660293 376 8 934 RING VLV RET ISOLATOR 11503342 377 N S RETAINER THROT VLV 1 I NOTE 1 PART OF 021 PUMP OIL W CONT VLV I I U A I 1991 GENERALIMOTORS SERVICE PARTS OPERAT ONS POI ITIAC 122N 4 000 GRQUP A I 4 54 I 1 2 91