6 CYLINDER ENGINE 0 303 SPRING Engine Valve 90 93 LM1 3911068 12 4 20 SPRING VLV W DMPR PGO 14 46 0 308 SEAL SHlELD Engine Valve 90 91 LM1 4 3B LU2 4 3Z LB4 14037715 6 17 55 SEAL INT VLV STEM OlL 015 O S PGO 14 47 90 91 LM1 4 3B LU2 4 3Z LB4 14037716 6 17 55 SEAL INT VLV STEM O L 030 0 S PGO 14 47 90 93 LM1 460483 6 N L SEAL INT VLV STEM OIL STD 003 0 S PGO 14 47 90 93 LM1 3835333 12 N L SEAL VLV STEM 0 L O RING TYPE EXH INTAKE PGO 14 44 90 93 LM1 10007818 12 82 SHIELD VLV STEM OIL PGO 14 45 0 309 CAP ROTATOR Engine Valve Spring 90 93 LM1 14003974 6 1 25 CAP VLV SPR PGO 14 40 90 93 LM1 14042575 6 4 30 ROTATOR VLV EXH PGO 14 43 0 310 KEY Engine Valve Spring 90 91 LM1 4 3B LU2 4 3Z LB4 3947770 24 53 KEY VLV STEM PGO 14 42 92 93 LM1 4 3Z LB4 4 3W L35 3947770 24 53 KEY VLV STEM PGO 14 42 0 333 ARM Engine Valve Rocker 90 93 LM1 10089648 12 6 35 ARM VLV RKR W BALL KIT PGO 14 37 0 386 COVER Engine Valve Rocker Arm 90 91 LM1 4 3B LU2 4 3Z LB4 14091554 RH 28 25 COVER VLV RKR ARM PGO 13 18 90 91 LM1 4 3B LU2 4 3Z LB4 14091560 LH 28 25 COVER VLV RKR ARM PGO 13 18 92 93 LM1 4 3Z LB4 4 3W L35 10172807 RH 28 25 COVER VLV RKR ARM PGO 27 19 92 LM1 4 3Z LB4 4 3W L35 14091554 RH 28 25 COVER VLV RKR ARM PGO 13 18 92 93 LM1 4 3Z LB4 4 3W L35 14091560 LH 28 25 COVER VLV RKR ARM PGO 13 18 0 413 BOLT Engine Valve Rocker Arm Cover 90 91 LM1 4 3B LU2 4 3Z LB4 12338092 6 54 BOLT VLV RKR ARM CVR PGO 13 15 92 93 LM1 4 3Z LB4 4 3W L35 10172743 6 41 BOLT VLV RKR ARM CVR PGO 13 15 0 423 GASKET Engine Valve Rocker Arm Cover 90 91 LM1 4 3B LU2 4 3Z LB4 14081257 2 N L GASKET VLV RKR ARM CVR PGO 13 19 92 93 LM1 4 3Z LB4 4 3W L35 14081257 2 N L GASKET VLV RKR ARM CVR PGO 13 19 0 426 ROD Engine Valve Push 90 93 LM1 10046173 12 5 20 ROD VLV PUSH PGO 14 50 0 429 BALL NUT STUD Engine Valve Adjusting 90 91 LM1 4 3B LU2 4 3Z LB4 3744340 12 1 10 BALL VLV RKR ARM PGO 14 38 92 93 LM1 4 3Z LB4 4 3W L35 3744340 12 1 10 BALL VLV RKR ARM PGO 14 38 92 93 LM1 4 3Z LB4 4 3W L35 14102542 12 91 NUT VLV RKR ARM NON ADJUSTABLE NOTE 1 FLANGED HEAD 13MM HEX M8X1 0 GH THREAD PGO 14 39 90 91 LM1 4 3B LU2 4 3Z LB4 3744341 12 76 NUT VLV RKR ARM PGO 14 39 92 93 LM1 4 3Z LB4 3744341 12 76 NUT VLV RKR ARM PGO 14 39 90 91 LM1 4 3B LU2 4 3Z LB4 3814692 12 2 05 STUD VLV RKR ARM BALL 0O3 O S PGO 14 41 92 93 LM1 4 3Z LB4 3814692 12 2 05 STUD VLV RKR ARM BALL 0O3 O S 1 PGO 14 41 90 91 LM1 4 3B LU2 4 3Z LB4 3815892 12 1 55 STUD VLV RKR ARM BALL 013 0 S PGO 14 41 92 93 LM1 4 3Z LB4 4 3W L35 10044997 6 1 55 STUD VLV RKR ARM BALL NON ADJUSTABLE NOTE 1 PGO 14 41 0 439 GUIDE Engine Valve Push Rod 90 91 LM1 4 3B LU2 4 3Z LB4 14093634 6 1 70 GUIDE VLV LFTR PGO 14 52 92 93 LM1 4 3Z LB4 4 3W L35 14093634 6 1 70 GUIDE VLV LFTR PGO 14 52 0 459 LIFTER RETAlNER Engine Valve 92 93 LM1 4 3Z LB4 4 3W L35 5234670 12 N L LIFTER VLV RLR PGO 14 53 90 91 LM1 4 3B LU2 4 3Z LB4 5234890 12 N L LIFTER VLV PGO 14 53 92 93 LM1 4 3Z LB4 4 3W L35 10105916 1 9 05 RETAINER VLV LFTR GDE PGO 14 60 90 91 LM1 4 3B LU2 4 3Z LB4 10046165 1 3 45 RETAINER VLV LFTR RSTR PGO 14 60 0 519 CAMSHAFT Engine 90 91 LM1 4 3Z LB4 10088148 1 171 00 CAMSHAFT ENG PGO 19 81 90 91 M1 4 3B LU2 10055487 1 171 00 CAMSHAFT ENG PGO 19 81 92 93 LM1 4 3W L35 10144047 1 171 00 CAMSHAFT ENG PGO 24 70 92 LM1 4 3Z LB4 10144176 1 171 00 CAMSHAFT ENG PGO 19 81 J 93 LM1 4 3Z LB4 10172776 1 CAMSHAFT ENG PGO 19 81 Y 1992 GENERAL MOTORS SERVICE PARTS OPERAT 0NS L GHT TRUCK 53M 0 303 0 519 0 10 8 92