6 CYLINDER ENGINE 0 296 VALVE Intake 85 88 N 3 0L 25512098 6 14 50 VALVE INT STD PGO 44 105 85 88 N 3 0L 25512274 6 15 00 VALVE INT O10 0 5 89 91 N 3 3N LG7 25532065 6 14 90 VALVE NT STD 89 91 N 3 3N LG7 25532762 6 15 00 VALVE NT 010 0 5 0 297 VALVE Exhaust 85 88 N 3 0L 25521841 6 19 45 VALVE EXHISTD PGO 44 105 I 85 88 N 3 0L 25524876 6 2213 25 VALVE EXH O10 0 5 89 91 N 3 3N LG7 25532066 6 19 45 VALVE EXHISTD PGO 51 44 89 91 N 3 3N LG7 25532760 6 19 45 VALVE EXH 0 O 0 5 0 303 SPRlNIG SPRING CAP INLIT Engine Valve 85 86 N 3 0L 25512551 12 lfli 50 SPRING W DMP VLV PGO 44 104 87 88 N 3 0L 25523695 12 EEI 7 5 SPRING W DMP VLV 89 N 3 3N 25533545 12 EEI 00 SPRING VLV PGO 51 26 90 91 N 3 3N LG7 12351013 1 ZEl lEi5 SPRING Bi CAP KIT VLV SPRING SUPPLIED IN KIT MUST BE USED WITH TYPE OF VAL E CAP IN K T FOUR IDENTIFICATION MARKS ON TOP 0 308 SEAL Engine Valve 85 88 N 3 0L 25535162 6 12 30 SEAL INT VLV PGO 44 103 89 91 N 3 3N LG7 24500317 6 12 20 SEAL EXH VLV STEM OIL PGO 51 25 89 91 N 3 3N LG7 25535162 6 22 30 SEAL INT VLV STEM OIL PGO 44 103 0 309 CAP Engine Valve Spring 85 88 N 3 0L 1254900 12 I 70 CAP VLV SPR PGO 44 102 89 91 N 3 3N LG7 24500873 12 1 40 CAP VLV SPR PGO 51 24 0 310 KEY Engine Valve Spring 85 88 N 3 0L 3947770 AR 50 KEY VLV STEM PGO 19 31 89 91 N 3 3N LG7 3947770 AR 50 KEY VLV STEM PGO 19 31 0 333 ARM PEDESTAL KIT AIRNI IES PIVOT KIT RETAINER Engine Valve Flocker 85 88 N 3 0L 12332785 1 5 50 ARM PEDESTAL KIT CYL HD PGO 43 40 89 91 N 3 3N LG7 12328750 1 5 220 ARM PIVOT KIT CYL HD PGO 51 28 85 88 N 3 0L 25522387 6 96 RETAINER RKR ARM PEDESTAL PGO 43 39 0 386 COVERI Engine Valve Rockler lI r mrn B NOTE 1 WHEN USING IN PLACE OF 2553357 1 2 3 E MM CR CASE VENT HOLE IT W LL BE NECESSARY TO REI I ORK VEH TO THE 2ND DES C I IZT ASE VENT SYS BY ORDER NG P N S 25533606 25533607 14001 192 AND 2252758 7 0 I 2 US NG THEM IN PLACE OF THE CR CASE VENT PARTS ON THE I EH 85 88 N 3 0L 25518546 RH 31 50 COVER VLV R I R ARM PGO 43 30 85 N 3 0L 1ST DES 25518547 LH 31 50 COVER VLV RKR ARM OIL FIL CAP W O O RING SEAL 85 N 3 0L 2ND DES 25525799 LH EI1 50 COVER VLV RKR ARM O L FIL CAP WITH 0 RING SEAL PGO 43 30 86 88 N 3 0L 25525799 LH EI1 50 COVER VLV RKR ARM PGO 43 30 88 89 N 3 3N 25533611 LH EI7 125 COVER VLV RKR ARM NOTE 1 PGO 51 9 89 N 3 3N 25530328 RH EI Ei 00 COVER VLV RKR ARM PGO 51 9 90 91 N 3 3N LG7 25532624 LH 37 125 COVER VLV RKR ARMIPLASTIC PGO 51 9 90 91 N 3 3N LG7 25532625 RH EI7 125 COVER VLV RKR ARMIPLASTIC PGO 51 9 0 413 BOLT GROMMET NUT WAISI lEEllI Engine Valve Rocker Arm Cover 89 N 3 3N 14088561 AR 37 BOLT VLV RKR ARM CVR PAN TORX 1 4 20 X 0 88 OO 137 89 91 N 3 3N LG7 25534746 AR 1 65 BOLT VLV RKR ARM CVR W WASHER TO CYL HD HWH 1 4 20X1 0 W DOG PT 85 OD SPL BODY WA 6010M P0 6174M USE WITH 25534749 GROM GRP 0 413 PGO 51 10 85 88 N 3 0L 25518660 6 20 GROMMET VL V RKR ARM CVR STUD PGO 43 13 90 91 N 3 3N LG7 25534749 AR 65 GROMMET Vl V RKR ARM CVR U5E T W 25534746 BOLT 85 88 N 3 0L 25519219 6 2 10 NUT VLV RKR ARM CVR 5 16 18X 95 PGO 43 12 T 1991 GENERAL MOTORS SERVICE P AFI I ES 0PERATIONS BUICK 44N 2 91 0 zzz 0 296 0 41 3