6 CYLINDER ENGINE 0 213 PACKINIG SEA L SHEDDER Engine Crankshaft Front 76 81 ALL 231 4 1 1305044 1 88 PACKING FRT CR SHF 76 ALL 250 1I0036286 1 5 45 SEAL CR SHF FBT OIL 80 81 X 2 8 10036286 1 5 45 SEAL CR SHF FRT OIL 76 81 ALI 231 4 1 1193966 1 1 35 1SHEDDER CR SHF OIL 0 219 ADAPTIIEER INDICATOR Engine Timing 77 ALI 231A 1264952 1 2 85 ADAPTER MAGNETIC PICK UP 78 79 ALI 196 231 1264952 1 2 85 ADAPTER MAGNETIC PICK UP 79 81 ALI 231 4 1 1264952 1 2 85 ADAPTER MAGNETIC PICK UP 76 ALI 231 1258617 1 3 20 NDICAT R ENG TIMING 77 ALL 231C 1258617 1 3 20 INDICAT R ENG TIMING 0 269 HEAD Engine Cylinder 76 ALL 231 1249175 2 208 00 HEAD 76 ALL 250 14008883 1 528 00 HEAD 77 78 ALL 231A W FED 1257052 2 228 00 HEAD 77 ALL 231C W FED 1257052 2 228 00 HEAD 77 79 ALL 250 W INTEGRAI HD 14008883 1 528 00 HEAD 78 ALL 231A EXC FED 1257660 2 231 00 HEAD 79 ALL 231 2 W CALIF 25519458 2 229 00 HEAD 79 ALL 231A W FED 25519458 2 229 00 HEAD 79 ALL 231A EXC FED 25505899 2 243 00 HEAD 80 ALL 2 8 476503 2 239 00 HEAD 80 ALL 231A CALIF 25505893 2 239 00 HEAD 80 ALL 231A W FED 25505899 2 243 00 HEAD 80 X 2 8 476503 2 239 00 HEAD 81I A 231A W NM6 EXPORT CANADA 25505893 2 239 00 HEAD 81I AL L 231A W CLOSEIZI LOOP 25505899 2 243 00 HEAD 81 ALL 4 1 W CLOSED LOOP 25505893 2 239 00 HEAD 8 I X 2 8 14054877 2 261 00 HEAD 0 289 GASKIEET GASKET KI I Engine Cylindler Head NOTE 1 With preformed rocker cover gaskets NOTE 2 With RTV F0rin A Gasket Used in place of preformed rocker cover gasket NOTE 3 1st design used w engines with O17 thick cyl head gasket and w o XGW stamped near plant date code on block Only for automatic transmission NOTE 4 2nd design used w engines with 62 thick cyl head gasket and with goodwrench engine with XGW stamped near engine plant date code on block Only for automatic transmission 76 AI L 250 465893 1 11 15 GASKET 77 78 AI L 231 1261403 2 8 85 GASKET 79 A 231 2 1ST DES 1261403 2 8 85 GASKET NOTE 3 79 A 231 2 2ND DES 25525919 2 22 55 GASKET NOTE 4 79 80 A B H 231A 1ST DEiJEi 1261403 2 8 85 GASKET NOTE 3 79 80 A B H 231A 2ND DIES 25525919 2 22 55 GASKET NOTE 4 79 X 231A 1261403 2 8 85 GASKET 80 81 X 2 8 14090561 2 N L GASKET 81 A I3 231A 1ST DES 1261403 2 8 85 GASKET NOTE 3 81 A I3 231A 2ND DES 25525919 2 22 5 5 GASKET NOTE 4 81 ALI 4 1 25518453 2 8 75 GASKET 76 ALI 250 358827 1 40 50 GASKET KIT VLV GRIND NOTE 1 76 ALI 250 462243 1 36 00 GASKET KIT VLV GRIND NOTE 2 77 78 ALIL 231 1259586 1 41 50 GASKET KIT CYL HD 79 A 231 2 1ST DES 2552512 1 1 N l GASKET KIT CYL HD NOTE 3 79 A 231 2 2ND DES 25527307 1 75 75 GASKET KIT CYL HD NOTE 4 79 80 A B H 231A 1ST DIES 25525121 1 N I GASKET KIT CYL HD NOTE 3 79 80 A B H 23 IA 2ND DIEES 2552 7307 1 75 75 GASKET KIT CYL HD NOTE 4 79 X 231A 25525121 1 N I GASKET KIT CYL HD 80 81 X 2 8X 10048958 1 56 25 GASKET KIT CYL HD 81 A B 231A 1ST DES 25525121 1 N I GASKET KIT CYL HD NOTE 3 81 A B 231A 2ND DES 25527307 1 75 75 GASKET KIT CYL HD NOTE 4 81 A LL 4 1 25518568 1 N I GASKET KIT CYL HD 0 293 BOLT IPIN PL UG Engine Cylinder I lead NOTE For additional srandard size plugs see Groups 8 970 A2 8 971 in the Standard Parts Section NOTE 1 1st design used w engines with O17 thick cyl head gasket and w o XGW stamped near engine plant date code on block Only for automatic transmission NOTE 2 2nd design used in engines with 62 thick cyl head gasket and with goodwrench engine with XGW stamped neiair engine plant date code on block Only for automatic transmission 76 78 ALL 231 25518482 4 1 4 BOLT INR 7 IS 14 X 3 Z 76 ALL 250 352154 5 99 BOLT Z 13 X 4 az 76 ALL 250 3788417 AR 98 BOLT 13 X 3 S4 77 78 A 231 25525861 AR 1 20 BOLT is 14 X 2 69 77 81 AL L 4 1 25525861 6 1 20 BOLT CYL HD 16 14 X 2 69 78 81 AI L 4 1 25518482 AR 1 40 BOLT CYL HD is 14 X 3 z FULL BODY 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS OI DSMOBILE 31 l IREV 7 87 0 1 5 0 213 0 293