I A 6 CYLINDER ENGINE 0 293 BOLT PIN Engine Cylinder Head C0n t 88 90 ST1 4 32 14082315 12 73 BOLT CYL HD SHT 7 16 14X1 3 4 PL PGO 81 38 88 90 ST1 4 32 14082316 4 68 BOLT CYL HD MED 7 16 14X3 USE 1052080 ON THDS PGO 81 37 88 90 ST1 4 32 14082317 10 78 BOLT CYL HD LG 7 16 14X3 3 4 USE 1052080 ON THDS PGO 81 36 82 90 ST1 2 8B R 14024244 4 57 PIN CYL HD DOWEL PGO 65 22 0 296 VALVE Intake 82 85 ST1 2 8B 14024249 6 16 25 VALVE INT STD PGO 61 37 82 85 ST1 2 8B 14024250 6 16 85 VALVE NT 089 MM O S PGO 61 37 82 85 ST1 2 8B 14024251 6 16 85 VALVE INT 394 MM 0 S PGO 61 37 82 85 ST1 2 8B 14024252 6 16 85 VALVE NT 775 MM 0 S PGO 61 37 86 90 ST1 2 8R 14031328 6 17 45 VALVE NT STD PGO 73 41 86 90 ST1 2 8R 14031394 6 17 45 VALVE INT 089MM O S PGO 73 41 86 90 ST1 2 8R 14031395 6 18 10 VALVE NT 394MM O S PGO 73 41 86 90 ST1 2 8R 14031396 6 18 10 VALVE NT 775MM 0 S PGO 73 41 88 90 ST1 4 32 14075641 6 17 45 VALVE INT STD PGO 81 48 88 90 ST1 4 32 14075642 6 17 45 VALVE N 0035 0 S PGO 89 38 88 90 ST1 4 32 14075643 6 17 45 VALVE INT 0155 0 S PGO 89 38 88 90 ST1 4 32 J 1 4075644 6 17 45 VALVE INT 0305 0 S PGO 89 38 I 0 297 VALVE Exhaust 82 85 ST1 2 8B 14024254 6 17 60 V VALVE EXH STD PGO 61 38 82 85 ST1 2 88 14024255 6 16 90 VALVE EXH 089 MM O S PGO 61 38 82 85 ST1 2 8B 14024256 6 17 60 VALVE EXH 394 MM 0 S PGO 61 38 82 85 ST1 2 8B 14024257 6 17 60 VALVE EXH 775 MM O S PGO 61 38 86 90 ST1 2 8R 14031332 6 19 20 VALVE EXH STD PGO 73 42 86 90 ST1 2 8R 14031397 6 19 95 VALVE EXH 089MM 0 S PGO 73 42 86 90 ST1 2 8R 14031398 6 19 95 VALVE EXH 394MM 0 S PGO 73 42 86 90 ST1 2 8R 14031399 6 19 95 VALVE EXH 775MM O S PGO 73 42 88 90 ST1 4 32 14095451 8 N L VALVE EXH STD PGO 81 47 88 90 ST1 4 32 14095459 6 17 35 VALVE EXH 0035 O S PGO 89 39 88 90 ST1 4 32 14095460 6 17 35 VALVE EXH 0155 0 S PGO 89 39 I 2 I I 0 303 SPRING Engine Valve 82 90 ST1 2 8B R V 14030029 12 4 20 SPRING W DAMPER VALVE PGO 61 34 88 90 ST1 4 32 3911068 12 3 75 SPRING W DAMPER VLV PGO 81 55 0 308 SEAL SEAL KIT SHIELD Engine Valve 82 90 ST1 2 8B R 460483 6 N L SEAL W RET INLET VLV STEM STD V 003 0 S PGO 15 46 82 90 ST1 2 8B R 3835333 12 N L SEAL VALVE STEM OIL O RING TYPE PGO 15 39 82 90 ST1 2 8B R 14037715 6 15 25 SEAL W RET INLET VLV STEM OIL 015 0 S 82 90 ST1 2 8B R 14037716 6 15 25 SEAL W RET INLET VLV STEM OIL 030 0 S 88 90 ST1 4 32 460483 6 N L SEAL W RETAINER INLET VLV STEM STD 003 O S PGO 15 46 88 90 ST1 4 32 3835333 AR N 1 SEAL VALVE STEM OIL O RING TYPE PGO 15 39 88 90 ST1 4 32 14037715 6 15 25 SEAL W RET INLET VLV STEM OIL 015 y O S 88 90 ST1 4 32 14037716 6 15 25 SEAL W RET INLET VALVE STEM OIL 030 O S 82 90 ST1 2 8B R 14033550 1 22 80 SEAL KIT VLV STEM OIL 88 89 ST1 4 32 14033546 1 30 50 SEAL KIT VLV STEM OIL 82 90 ST1 2 8B R 10048657 6 75 SHIELD EXH VLV STEM OIL PGO 61 33 88 90 ST1 4 32 10007818 12 7 73 SHIELD VLV STEM OIL PGO 15 44 0 309 CAP ROTATOR Engine Valve Spring I 82 90 ST1 2 8B R 14004099 12 1 15 CAP VLV SPRING PGO 8 64 88 90 ST1 4 32 14003974 6 1 15 CAP INLET VLV SPRING PGO 81 60 82 S1 2 8B 14042575 6 3 85 ROTATOR EXH VLV PGO 61 35 88 90 ST1 4 32 14042575 6 3 85 ROTATOR EXH VLV PGO 61 35 7 0 310 KEY Engine Valve Spring 82 90 ST1 2 8B R 3947770 24 48 KEY VLV STEM PGO 15 40 A 88 90 ST1 4 32 3947770 AR 48 KEY VLV STEM PGO 15 40 0 333 ARM Engine Valve Rocker 82 90 ST1 2 8R LL2 14002446 12 5 85 ARM W BALL VLV RKR PGO 8 67 88 90 ST1 4 32 10089648 12 N L ARM W BALL KIT VLV RKR PGO 81 63 i 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52S REV 10 90 0 25 0 293 0 333