I 1 I 4 CYLlNDER ENGINE I 1 I 0 308 CONTROLLER RlNG SEAL SEAL KITQSHIELD Engine Valve Con t A 85 86 ST1 2 5E 14037716 4 15 25 SEAL W RET INLET VLV STEM OIL 030 0 5 87 90 ST1 2 5E 10042875 4 1 90 SEAL INT VLV STEM OIL PGO 23 9 87 90 ST1 2 5E 10042877 4 1 90 SEAL EXH VLV STEM OIL PGO 23 9 83 84 ST1 2 0Y 470110 AR N L SEAL KIT INT VLV STEM OIL STD 075 150MM 0 5 83 84 ST1 2 0Y Q 470111 AR 17 85 SEAL KIT INT VLV STEM OIL 300MM 0 5 83 84 ST1 2 0Y 1 470113 AR 17 85 SEAL KIT EXH VLV STEM OIL 300MM 0 5 85 ST1 2 5E 10007818 16 73 SHIELD VALVE STEM OIL PGO 15 44 0 309 CAP SEAT Engine Valve Spring I 82 85 ST1 1 9A 94200749 8 1 85 CAP VLV SPR LWR PGO 31 13 82 85 ST1 1 9A I 94233232 8 5 15 CAP VLV SPR UPR PGO 31 29 83 84 ST1 2 0Y 14004099 8 1 15 CAP VLV SPRING PGO 8 64 85 86 ST1 2 5E 10038209 8 1 05 CAP INT VLV SPRING PGO 15 38 87 90 ST1 2 5E 10040230 8 1 15 CAP VLV SPR PGO 23510 84 85 S1 2 25 94026379 8 3 25 SEAT SPRING W SEALRING PGO 33 23 0 310 KEY Engine Valve Spring Cap 82 85 ST1 1 9A 1 94200714 16 99 KEY VLV STEM PGO 31 30 1 A 83 84 ST1 2 0Y 360505 16 28 KEY VLV STEM PGO 8 65 84 85 51 2 25 94026380 16 1 85 KEY VLV STEM PGO 33 25 1 85 864 ST1 2 5E 3947770 16 48 KEY VLV STEM PGO 15 40 87 90 ST1 2 5E 360505 16 28 KEY VLV STEM PGO 8 65 0 333 ARM Engine Valve Rocker Arm I 82 83 ST1 1 9A Q 94221777 8 22 05 ARM RKR PGO 31 31 83 84 ST1 2 0Y 14002446 8 A 5 8 5 ARM W BALL VLV RKR PGO 8 67 V 84 85 S1 2 25 94026575 3 20 90 ARM RKR C W BUSH PGO 33 30 1 84 85 51 2 25 94026576 3 20 90 ARM RKR D W BUSH PGO 33 31 84 85 51 2 25 94029355 1 22 05 ARM RKR A W BUSH PGO 33 28 84 85 S1 2 25 94029356 1 22 05 ARM RKR B W BUSH PGO 33 29 84 85 ST1 1 9A 94102416 8 14 40 ARM RKR PGO 31 31 85 88 ST1 2 5E 10014819 8 9 00 ARM W BALL VLV RKR 89 90 ST1 2 5E 10121095 8 9 00 ARM W BALL VLV RKR PGO 15 43 Q 0 349 BRACKET STUD Engine Valve Rocker Arm v 84 85 51 2 25 94026580 4 13 30 BRACKET RKR SHF PGO 33 36 82 85 ST1 1 9A 94200836 4 1 35 STUD RKR SHF BRK TO HD PGO 31 10 0 353 SHAFT Valve Rocker Arm 82 83 ST1 1 9A 941 10646 1 35 25 SHAFT RKR ARM INT PGO 31 34 82 85 ST1 1 9A 94110647 1 35 25 SHAFT RKR ARM EXH PGO 31 36 84 85 51 2 25 94100291 1 41 50 SHAFT RKR ARM PGO 33 34 84 85 ST1 1 9A 94110646 1 35 25 SHAFT RKR ARM INT PGO 31 34 0 356 PLUG Valve Rocker 82 83 ST1 1 9A 94203085 2 78 PLUG RKR SHF END EXH PGO 31 35 A 84 85 ST1 1 9A 94116940 2 85 PLUG RKR SHF END INL 84 85 ST1 1 9A 94116941 2 85 PLUG RKR SHF END EXH PGO 31 37 0 376 SPRING Valve Rocker 82 85 ST1 1 9A 94200814 4 3 90 SPRING A RKR ARM SHF PGO 31 38 82 85 ST1 1 9A 94200815 4 3 40 SPRlNG B RKR ARM SHF PGO 31 39 84 85 S1 2 25 94021799 3 1 85 SPRING RKR SHF PGO 33 37 0 386 COVER Engine Camshaft Valve 82 85 ST1 1 9A 94226747 4 125 00 COVER CYL HD PGO 34 1 83 5T1 2 0Y FED NA5I ALT v NA6 14079504 1 32 50 COVER VLV RKR PGO 7 41 83 ST1 2 0Y 14079504 1 32 50 COVER VLV RKR PGO 7 41 84 85 51 2 25 94108316 1 83 75 COVER CYL HD PGO 33 43 84 ST1 2 0Y 14079504 1 32 50 COVER VLV RKR PGO 7 41 84 ST1 2 0Y A C 14079504 1 32 50 COVER VLV RKR PGO 7 41 85 88 ST1 2 5E 10044306 1 31 25 COVER W BAFFLE VLV RKR ARM SLOTTED OIL CAP PGO 16 89 89 90 ST1 2 5E 10101423 1 31 25 COVER W BAFFLE VLV RKR ARM THREADED OIL CAP PGO 23 6 0 413 BOLT DOWEL GASKET NUT Engine Camshaft Cover Housing 84 85 S1 2 25 10101771 2 1 40 BOLT HEAD CVR TO HEAD 84 85 51 2 25 94020160 2 3 50 BOLT CR CASE TO CYL BLK PGO 29 39 1 1990 GENERAL MOTORS SERVICE PARTS 0PERAT ONS LT TRUCK 52S 0 308 0 413 0 10 REV 10 90