6 CYLINDER ENGINE 0 308 DEFLECTOR SEAL Engine Valve C0n t A 86 C 3 8B 25535162 6 2 55 SEAL INT VLV PGO 7 27 87 C 3 8 3 25535162 6 2 55 SEAL INT VLV PGO 7 27 88 90 C 3 8C 25535162 6 2 55 SEAL INT VLV STEM OIL PGO 7 27 91 93 C 3 8 1 L67 25535162 6 2 55 SEAL INT VLV STEM OIL PGO 7 27 91 93 C 3 8L L27 25535162 6 2 55 SEAL INT VLV STEM OIL PGO 7 27 OIDQOIIIDQIQIQIQ P O R T DQ I I Il E X P O H T l Il lQI I D I E X P O R T IIIOIIIIOQQIIIII 1 88 C 3 8 3 NM8 EXPORT 25530142 6 2 55 SEAL EXH VLV 88 C 3 8 3 NM8 EXPORT 25535162 6 2 55 SEAL INT VLV PGO 7 27 0 309 CAP ROTATOR Engine Valve Spring 85 C 3 0E 231 3 1254900 12 1 80 CAP VLV SPR PGO 7 26 86 87 C 1254900 12 1 80 CAP VLV SPR PGO 7 26 88 C 3 8C 25534605 6 1 40 CAP VLV SPR PGO 27 46 89 90 C 3 8C 24500873 12 1 50 CAP VLV SPR PGO 27 46 91 93 C 3 8L L27 24500873 12 1 50 CAP VLV SPR PGO 27 46 91 93 C 3 8 1 L67 24500873 12 1 50 CAP VLV SPR PGO 27 46 85 C 4 3T 406996 12 4 50 ROTATOR VLV PGO 85 97 IQOIQQQQIQIQIOQQ E X P O R T I l I O Il E X P O R T OIlI lII I II I P O R T Q 88 C 3 8 3 NM8 EXPORT 1254900 12 1 80 CAP VLV SPR PGO 7 26 0 310 KEY Engine Valve Spring 85 C 4 3T 3947770 AR 53 KEY VLV STEM PGO 7 25 86 C 3 8B 3947770 AR 53 KEY VLV STEM PGO 7 25 87 C 3947770 AR 53 KEY VLV STEM PGO 7 25 88 90 C 3 8C 3947770 AR 53 KEY VLV STEM PGO 7 25 91 93 C 3 8L L27 3947770 AR 53 KEY VLV STEM PGO 7 25 91 93 C 3 8 1 L67 3947770 32 53 KEY VLV STEM PGO 7 25 Iillflllbiifilll E X P O R T lilllilllllibllfll P O R T llilfllfllllbflhll E X P O R T II I IIIlOI 88 C 3 8 3 NM8 EXPORT 3947770 24 53 KEY VLV STEM PGO 7 25 0 333 ARM ARM PEDESTAL KIT ARM KIT RETAINER Engine Valve Rocker 86 C 3 8B 12332785 12 5 85 ARM PEDESTAL KIT CYL HD PGO 19 31 87 C 3 8 3 12332785 12 5 85 ARM PEDESTAL KIT CYL HD PGO 19 31 88 90 C 3 8C 12328750 12 5 50 ARM KIT VLV RKR W BALL PIVOT PGO 27 49 91 92 C 3 8L L27 12328750 12 5 50 ARM KIT VLV RKR W BALL PIVOT PGO 27 49 91 92 C 3 8 1 L67 12328750 12 5 50 ARM KIT VLV RKR W BALL PIVOT PGO 27 49 93 C 3 8L L27 12535400 12 ARM KIT VLV RKR W BALL PIVOT PGO 79 KIT5 93 C 3 8 1 L67 12535836 1 ARM KIT VLV RKR W BALL PIVOT PGO 74 KIT5 85 C 3 0E 231 3 1241851 6 5 75 ARM LH VLV RKR PGO 7 30 85 C 3 0E 231 3 1241850 6 5 75 ARM RH VLV RKR PGO 7 30 85 C 4 3T 22505583 12 6 75 ARM VLV RKR HAS I D RIB OF 015 HIGH IS LOCATED BETWEEN THE PIVOT VLV STEM END OF THE ARM USED WITH PUSH RODS W 375 DIA BALL ENDS PGO 85 100 85 C 3 0E 231 3 1254371 12 34 RETAINER RKR ARM PGO 7 28 86 C 3 8B 25522387 6 1 00 RETAINER RKR ARM PEDESTAL PGO 19 28 87 C 3 8 3 25522387 6 1 00 RETAINER RKR ARM PEDESTAL PGO 19 28 I l IIl IOI E X P O R T Ilfllfbllllflltilf E X P O R T l 0 iIl E X P O R T IIQIQIIQIIOIIIII 88 C 3 8 3 NM8 EXPORT 12332785 12 5 85 ARM PEDESTAL KIT CYL HD PGO 19 31 88 C 3 8 3 NM8 EXPORT 25522387 6 1 00 RETAINER RKR ARM PEDESTAL PGO 19 28 0 349 BOLT Valve Rocker Arm Shaft 85 C 3 0E 231 3 1254198 6 1 10 BOLT RKR ARM SHF TO HD PGO 7 29 0 353 SHAFT Valve Rocker Arm 85 C 3 0E 231 3 1254201 2 23 80 SHAFT VLV RKR ARM PGO 7 24 0 386 COVER DECAL Engine Valve Rocker Arm NOTE 7 WHEN US NG IN PLACE OF 25533571 HAS A 23 9MM CR CASE VENT HOLE IT WILL BE NECESSARY TO REWORK VEH TO THE 2ND DESIGN CR CASE VENT SYSTEM BY ORDERING P N S 25533606 25533607 14001192 AND 22527587 OTY 2 AND USING THEM IN PLACE OF THE CR CASE VENT PARTS ON THE VEH t 1992 GENERAL MOTORS SERVICE PARTS 0PERAT ONS BUICK 44C 0 308 0 386 0 16 8 92