4 CYLINDER ENGINE 0 293 BOLT BOLT KIT DOWEL PIN PLUG STUD Engine Cylinder Head 82 85 ST1 1 9A 94213829 10 2 85 BOLT CYL HD PGO 31 23 A 83 84 ST1 2 0Y 476543 8 1 40 BOLT CYL HD LG 00 056 PGO 7 42 83 84 ST1 2 0Y 476572 2 1 50 BOLT CYL HD SHORT PGO 7 42 84 85 S1 2 2S 94029334 18 4 10 BOLT CYL HD T0 CYL BLK PGO 33 17 84 85 S1 2 2S 94111290 1 5 35 BOLT CYL HD TO CYL BLK PGO 33 18 89 90 S1 O3 53 2 5E 10044566 8 1 35 BOLT CYL HD POS 1 THRU 8 M 1 1X1 5X100 PL PGO 15 37 85 88 ST1 2 5E 10044566 AR 1 35 BOLT KIT CYL HEAD POS 1 THRU 8 PGO 15 37 82 85 ST1 1 9A 94200819 2 98 DOWEL CYL BLK TO HD PGO 25 1 1 83 84 ST1 2 0Y 14024244 2 57 PIN CYL HD DOWEL PGO 65 22 85 90 ST1 2 5E 522780 2 40 PIN CYL HD DWL 5 16X1 1 16 PGO 12 102 82 85 ST1 1 9A 94220423 2 4 80 PLUG CYL HD FRT RR PGO 31 21 85 90 ST1 2 5E I 10006951 1 68 PLUG CYL HD RR 47 87 MM PGO 15 33 83 84 ST1 2 0Y 14054422 1 1 60 STUD CYL HD PGO 8 71 85 88 ST1 2 5E 10044568 1 1 50 STUD CYL HD POS 9 PGO 15 35 85 90 ST1 2 5E 12338010 1 1 50 STUD CYL HD POS 10 PGO 16 69 89 90 S1 O3 53 2 5E 10044568 1 1 50 STUD CYL HD POS 9 PGO 15 35 0 296 VALVE Intake 82 85 ST1 1 9A 94217178 4 17 65 VALVE INT PGO 31 25 83 84 ST1 2 0Y 14004097 4 19 50 VALVE STD PGO 7 60 83 84 ST1 2 0Y 14018798 4 19 50 VALVE 075 MM 0 S PGO 7 60 83 84 ST1 2 0Y 14020501 4 19 50 VALVE 150 MM 0 S PGO 7 60 83 84 ST1 2 0Y 14020502 4 19 50 VALVE 300 MM 0 S PGO 7 60 84 85 S1 2 2S 94030688 4 23 85 VALVE INT PGO 33 19 85 86 ST1 2 5E 10022882 4 19 70 VALVE STD PGO 15 29 85 86 ST1 2 5E 10022883 4 19 70 VALVE 08 MM 0 S PGO 15 29 85 86 ST1 2 5E 10022884 4 19 70 VALVE NT 13 MM 0 S PGO 15 29 87 88 ST1 2 5E 10040 226 4 19 70 VALVE NT STD PGO 23 31 87 88 ST1 2 5E 10040227 4 18 90 VALVE INT 08 MM 0 S PGO 23 31 87 88 ST1 2 5E 10040237 4 19 70 VALVE INT 13MM 0 S PGO 23 31 89 90 SJ 03 53 2 5E 10044512 4 19 70 VALVE NT STD PGO 23 31 89 90 S1 03 53 2 5E 10044513 4 19 70 VALVE INT 08 MM 0 S PGO 23 31 A 89 90 S1 03 53 2 5E 10121099 4 19 70 VALVE INT 0 13 MM 0 S PGO 23 31 0 297 VALVE Exhaust 82 85 ST1 1 9A 94217179 4 22 65 VALVE EXH PGO 31 26 83 84 ST1 2 0Y 14004098 4 22 95 VALVE STD PGO 8 73 83 84 ST1 2 0Y 14018727 4 22 95 VALVE 075 MM 0 S PGO 8 73 83 84 ST1 2 0Y 14018796 4 4 22 95 VALVE 150 MM O S PGO 8 73 83 84 ST1 2 0Y 14018797 4 22 95 VALVE 300 MM 0 S PGO 8 73 84 85 S1 2 2S 94030689 4 30 75 VALVE EXH PGO 33 20 85 86 ST1 2 5E I 10034162 4 20 00 VALVE EXH STD PGO 15 29 85 86 ST1 2 5E 10034163 4 20 00 VALVE EXH 08MM 0 S PGO 15 29 85 86 ST1 2 5E 10037016 4 19 50 VALVE EXH 13MM 0 S PGO 15 29 87 88 ST1 2 5E 10044612 4 19 30 VALVE EXH STDY PGO 23 30 87 88 ST1 2 5E 10044613 4 19 30 VALVE EXH 08MM 0 S PGO 23 30 87 88 ST1 2 5E 10104418 4 19 30 VALVE EXH 13 MM 0 S PGO 23 30 89 90 S1 03 53 2 5E 10044515 4 19 30 VALVE EXH STD PGO 23 30 I 89 90 S1 03 53 2 5E 10044516 4 19 30 VALVE EXH 08 MM 0 S PGO 23 30 89 90 S1 0 3 53 2 5E 10121100 4 19 30 VALVE EXH 0 13 MM 0 S PGO 23 30 0 303 SHIM SPRING WASHER Engine Valve I 83 84 ST1 2 0Y 14003968 8 55 SHIM VALVE SPRING PGO 7 61 82 83 ST1 1 9A 94231408 8 4 20 SPRING VLV OTR PGO 31 27 82 83 ST1 1 9A 94231409 8 2 45 SPRING VLV INR PGO 31 28 83 84 ST1 2 0Y 477292 8 2 65 SPRING W DAMPER VLV PGO 8 63 84 85 S1 2 2S 94026377 8 2 95 SPRING VLV OTR CYL HD PGO 33 21 84 85 S1 2 2S 94026378 8 2 30 SPRING VLV INR CYL HD PGO 33 22 84 85 ST1 1 9A 94259483 8 2 30 SPRING CYL HD VLV PGO 31 27 85 86 ST1 2 5E 10034268 8 3 15 SPRING W DAMPER VLV PGO 15 45 87 88 ST1 2 5E 10040232 8 3 15 SPRING W DAMPER VLV PGO 23 11 89 90 S1 03 53 2 5E 10124698 8 4 85 SPRING VLV PGO 23 1 1 84 85 S1 2 2S 94028324 8 1 00 WASHER VLV SPR LWR PGO 33 15 0 308 CONTROLLER RING SEAL SEAL KIT SHIELD Engine Valve 82 85 ST1 1 9A 94428466 8 3 00 CONTROLLER 0IL VLV GDE PGO 31 12 84 85 S1 2 2S 94021855 8 93 RING SEALING PGO 33 24 85 86 ST1 2 5E 460483 4 N L SEAL W RET INL VLV STEM STD 003 0 S PGO 15 46 85 86 ST1 2 5E 3835333 8 N L SEAL VLV STEM OIL PGO 15 39 85 86 ST1 2 5E 14037715 4 15 25 SEAL W RET INLET VLV STEM OIL 015 O S i 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52S i REV 10 90 0 e 0 293 0 308