4 CYLINDER ENGINE 0 269 HEAD Engine Cylinder C0n t 87 90 J 2 0M 90220841 1 383 00 HEAD CYL W O VLVS PGO 31 48 87 91 J 2 0K LT2 90220841 1 383 00 HEAD CYL W O VLVS PGO 31 48 0 283 GUIDE Engine Cylinder Head 87 90 J 2 0M 90108699 8 5 45 GUIDE VLV STD UNFINISHED 6 6MM D MUST BE REAMED AFTER ASM OF CYL HD FOLLOWING MANUAL PROCEDURE 00 333 PGO 31 26 87 91 J 2 0K LT2 90108699 8 5 45 GUIDE VLV STD UNF NlSHED 6 6MM D MUST BE REAMED AFTER ASM OF CYL HD FOLLOWING MANUAL PROCEDURE 00 333 PGO 31 26 87 90 J 2 0M 90108700 AR 5 45 GUIDE VLV O S UNFINISHED 6 6MM I D MUST BE REAMED AFTER ASM OF CYL HD FOLLOWING MANUAL PROCEDURES O0 333 87 91 J 2 0K LT2 90108700 AR 5 45 GUIDE VLV O S UNF NISHED 6 6MM D MUST BE REAMED AFTER ASM OF CYL HD FOLLOWING MANUAL PROCEDURES O0 333 0 289 GASKET GASKET KIT Engine Cylinder Head 87 90 J 2 0M LT3 10159478 1 57 00 GASKET KIT CYL HD 87 91 J 2 0K LT2 10159479 1 57 00 GASKET KIT CYL HD 82 J 1 8G 14086017 1 19 55 GASKET CYL HD PGO 7 32 82 86 J 1 8 0 90200347 1 19 55 GASKET CYL HD PGO 16 65 83 84 J 2 0B 14086017 1 19 55 GASKET CYL HD PGO 7 32 83 86 J 2 0P 14086017 I 19 55 GASKET CYL HD PGO 7 32 84 86 J 1 8J 90200347 1 19 55 GASKET CYL HD PGO 16 65 87 90 J 2 0M 10101226 1 40 00 GASKET CYL HD PGO 31 51 87 91 J 2 0K LT2 10101226 1 40 00 GASKET CYL HD PGO 31 51 0 293 BOLT PIN PLUG STUD VALVE WASHER Engine Cylinder Head NOTE FOR ADDITIONAL STANDARD SIZE PLUGS SEE GROUPS 8 970 8 977 IN THE STANDARD PARTS SECTION 82 86 J 1 8 0 10031210 2 4 40 BOLT CM SHF SUPT CYL HD POS 1 6 M11X1 25X140 55 THD 8 8 PGO 15 21 84 86 J 1 8J 10031210 2 4 40 BOLT CM SHF SUPT CYL HD POS 1 6 M11X1 25X140 55 THD 8 8 PGO 15 21 82 J 1 8G 476543 8 1 60 BOLT CYL HD LG M11X1 5X93 O0 056 PGO 7 43 83 84 J 2 0B 476543 8 1 60 BOLT CYL HD LG M11X1 5X93 00 056 PGO 7 43 83 86 J 2 0P 476543 8 1 60 BOLT CYL HD LG M11X1 5X93 00 056 PGO 7 43 82 J 1 8G 476572 2 1 70 BOLT CYL HD SHT M11X1 5X68 PGO 7 44 83 84 J 2 0B 476572 2 1 7O BOLT CYL HD SHT M11X1 5X68 PGO 7 44 83 86 J 2 0P 476572 2 1 70 BOLT CYL HD SHT M11X1 5X68 PGO 7 44 82 J 1 8G 14024244 2 64 PIN CYL HD DWL PGO 23 12 83 84 J 2 0B 14024244 2 64 PIN CYL HD DWL PGO 23 12 83 86 J 2 0P 14024244 2 64 PIN CYL HD DWL PGO 23 12 84 86 J 1 8 0 522780 AR 45 PIN CYL HD DWL 5 16X11 16 82 86 J 1 80 90144241 2 2 90 PIN CYL HD LOC 84 86 J 1 8J 90144241 2 2 90 PIN CYL HD LOC 87 90 J 2 0M 90144241 2 2 90 PIN CYL HD LOC 87 91 J 2 0K LT2 90144241 2 2 90 PIN CYL HD LOC 87 90 J 2 0M 11047651 1 98 PLUG CYL HD OIL GAL PGO 32 114 87 91 J 2 0K LT2 11047651 1 98 PLUG CYL HD OIL GAL PGO 32 1 14 87 J 2 0K 3788418 2 68 PLUG CYL HD WATER JACKET 82 86 J 1 8J O 10031213 4 4 40 STUD CM SHF SUPT CYL HD POS 4 5 8 9 M11X1 25X140 NI10X1 5X35MM PGO 15 22 82 86 J 1 8 0 10031214 4 5 90 STUD CM SHF SUPT CYL HD POS 2 3 7 10 M11X1 25X1 40 M10X1 5X18MM PGO 15 22 84 86 J 1 8J 10031214 4 5 90 STUD CM SHF SUPT CYL HD POS 2 3 7 10 M11X1 25X1 40 M 10X1 5X18MM PGO 15 22 j 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS PONT AC 22J 0 269 0 293 0 14 11 92