4 CYLINDER ENGINE 0 269 HEAD Engine Cylinder 84 X 2 5R 1ST DES 10030838 1 394 00 HEAD CYL IDENT BY INT VLV WITH 3422 DIA SREM AND EXH VLV WITH 3419 DIA STEM PGO 2 57 84 85 X 2 5R 2ND DES 10120966 1 394 00 HEAD CYL IDENT BY INT VLV WITH 3137 DIA STEM AND EXH VLV WITH 3132 DIA STEMALSO XJS I D STAMPED ON FRONT FACE OF BLOCK OR NEAR RIGHT HAND SIDE OF BLOCK PGO 10 102 85 X 2 5R 1ST DES 10038231 1 394 00 HEAD CYL IDENT BY INT VLV WITH 3422 DIA SREM AND EXH VLV WITH 3419 DIA STEM PGO 10 102 82 83 X 2 5R 5 10020699 1 394 00 HEAD CYL PGO 2 57 0 289 GA l LE l GASKET KIT Engine Cylinder Head 82 83 X 2 5 5 10104427 1 232 2 0 GASKET KIT VLV GRINZD 82 85 X 2 5R 10104427 1 2322 2 0 GASKET KIT VLV GRIND 82 83 X 2 5 5 10101784 1 19 55 GASKET CYL HD PGO 2 50 82 85 X 2 5R 10101784 1 19 55 GASKET CYL HD PGO 2 60 0 293 BOI T F lN PLUG STUID Engline Cylinder Head NOTE FOR ADDITIONAI2 STANDARD SIZE PLUGS SEE GROUPS 8 970 8 971 IN THE STANDARD PARTS SECTION 82 83 X 2 5 5 10044566 8 1 45 BOLT CYL HD M11X1 5X100 PL PGO 2 40 82 85 X 2 5R 10044566 8 1 45 BOLT CYL HD M11X1 5X10O PL PGO 2 40 82 83 X 2 5R 5 101017022 1 1 85 BOLT CYL HD M11X1 5X70 POS 9 PGO 2 41 84 X 2 5R 101017022 1 1 85 BOLT CYL HD M11X1 5X70 POS 9 PGO 2 41 82 83 X 2 5 5 522780 AR 42 PIN CYL HD DWL 5 16X11 16 PGO 5 20 82 85 X 2 5R 522780 AR 42 PIN CYL HD DWL 5 16X11 16 PGO 5 20 82 83 X 2 5R 5 10016341 4 2 25 PLUG RR 21 66 MM 82 83 X 2 5R 5 10101701 1 1 70 STUD CYL HD M11X1 5X70 M10X1 5X1810 9 PL 84 85 X 2 5R 12338010 AR 1 60 STUD CYL HD POS 10 HEX DBL END M11X1 5X100 M1OX1 5X1B 11 9 STL SAE 4037 PGO 3 80 0 296 VALVE Intake 82 83 X 2 5R 100228812 4 20 70 VALVE INT STD PGO 2 59 82 83 X 2 5 5 100228812 4 20 70 VALVE INT STD PGO 2 59 82 83 X 2 5 5 100228823 4 20 70 VALVE INT 08MM O S 82 85 X 2 5R 100228823 4 20 70 VALVE INT 08MM 0 5 82 83 X 2 5 5 10022884 4 20 70 VALVE INT 13MM 0 5 82 85 X 2 5R 1002288 4 4 20 70 VALVE INT 13MM 0 5 84 85 X 2 5R 1ST DES 100228822 4 20 70 VALVE INT STD IDENT BY INT VLV WITH 3422 DIA STEM AND EXH VLV WITH 3419 DIA STEM PGO 2 59 84 85 X 2 5R 2ND DES 10040226 4 20 70 VALVE INT STD IDENT BY INT VLV WITH 3137 DIA STEM AND EXH V V WITH 3132 DIA STEM ALSO XJS I D STAMPED ON FRONT FACE OF BLOCK OR NEAR RR RH SIDE OFBLK 0 297 VALVE Exhaust 82 83 X 2 5R 100341622 4 21 00 VALVE EXH STD PGO 2 58 82 83 X 2 5 5 10034162 4 21 00 VALVE EXH STD PGO 2 58 82 B3 X 2 5 5 10034163 4 21 00 VALVE EXH 08MM O S 82 85 X 2 5R 100341623 4 21 00 VALVE EXH 08MM O S 82 83 X 2 5 5 100370116 4 20 50 VALVE EXH 13MM O S 82 85 X 2 5R 100370116 4 20 50 VALVE EXH 13MM O S 84 85 X 2 5R 1ST DES 1003416 2 4 21 00 VALVE EXH STD IDENT BY INT VLV WITH 3422 DIA STEM AND EXH VLV WITH 3419DIA STEM PGO 2 58 84 85 X 2 5R 2ND DES 1004461 2 4 20 25 VALVE EXH STD IDENT BY INT VLV WITH 3137 DIA STEM AND EXH VLV WITH 3132 DIA STEM ALSO XJS I D STAMPED ON FRONT FACE OF BLOCK OR NEAR RR RH SIDE OF Bl K 1991 GENERAL MOTORS SERVICE PARTS 0PERATIONS BU CK 44W L T 6 91 0 113 0 269 0 297