ENGINE CLUTCH 0 303 SPRING DAMPER VALVE C0n t 71 72 455 Eng exc Stage 1 81 E G S 1242768 16 2 90 SPRING less damper nut required 71 74 455 Stage I Eng 1383851 16 4 20 SPRING DAMPER 71 72 All E 6 5 81 8 H P 1238382 I6 3 50 SPRING DAMPER 72 74 350 Eng 1238158 15 2 30 SPRING valve intake S1 exhaust 73 74 All 455 Eng exc Stage 1 or E G S 1242768 16 2 90 SPRING valve 73 74 All E G S 1235382 16 3 50 SPRING w damper 75 All L 6 Eng 3735381 12 2 85 SPRING w damper use in engine w intake manifold cast as an integral pan ef cylinder head 75 All V 6 Eng 1249257 12 2 45 SPRING exhaust intake 75 350 Eng 1237656 8 2 30 SPRING w damper exh valve 75 455 Eng 1242768 8 2 90 SPRING valve im 75 All 350 Eng 1238158 B 2 30 SPRING intake valve 75 All 455 Eng 1237670 8 2 85 SPRING w damper exh valve 75 All 260 Eng 411226 8 3 55 SPRING 75 All V 6 Eng 1249422 6 82 DAMPER 0 308 SEAL SHIELD DEFLECTOR VALVE STEM 68 75 L 6 Eng 3835333 12 N L SEAL 68 74 All V 8 1382076 AR N L SEAL 75 All V S Eng 1249205 6 I 15 SEAL intake valve 75 All 350 455 Eng 1382075 AR N L SEAL 68 75 L 6 eng 3836755 I2 45 SHIELD 75 260 Eng 406595 AR 58 DEFLECTOR intake valve std 75 260 Eng 406945 AR 58 DEFLECTOR intake valve 010 0 5 75 260 Eng 40I823 AR 58 DEFLECTOR exh valve std 75 260 Eng 401825 AR 58 DEFLECTOR exh valve 010 0 S 0 309 CAP ROTATOR VALVE SPRING 51 63 40 41 4300 I192816 AR 1 30 CAP 64 67 225 300 340 Eng 1192818 AR 1 30 CAP 67 400 430 Eng 13625ID 15 82 CAP 68 75 L 6 Eng 3729363 12 84 CAP 68 75 All V 8 1362510 16 82 CAP 75 All V 6 Eng 1192816 12 1 30 CAP 75 260 Eng 406996 AR 3 70 ROTATOR 0 310 KEY VALVE SPRING CAP 61 63 40 41 4300 1192817 AR 43 KEY 35 53 All exc 40 41 4300 1195266 32 45 KEY 64 67 225 300 340 eng 1192817 AR 43 KEY 64 46 47 4800 1195266 32 45 KEY 65 400 401 425 eng 1195266 32 45 KEY 65 67 400 401 425 430 eng 1195266 32 45 KEY 68 75 L 6 eng 3947770 24 43 KEY 68 75 All V 8 1195266 32 45 KEY 75 All 260 Eng 3947770 AR 43 KEY 75 All V 6 Eng 1192817 24 43 KEY 0 333 ARM RETAINER VALVE ROCKER 59 63 All exc 40 41 4300 1187800 8 8 00 ARM 4 R Ir E4 4 L rr 59 53 All exc 40 41 4300 1187801 8 8 00 ARM 4 R rr 81 4 L frt 61 63 40 41 4300 V 8 1194142 8 6 85 ARM int 1 3 6 8 exh 2 4 5 7 61 63 40 41 4300 V 8 1194143 B 6 85 ARM exh 1 3 6 8 int 2 4 5 7 62 67 V 6 1194143 AR 5 85 ARM exh 1 3 4 6 int 2 5 62 67 V 6 1194142 AR 6 85 ARM int 1 3 4 B exh 2 5 54 67 300 340 Eng 1194142 8 6 85 ARM int 1 3 6 8 exh 2 4 5 7 64 67 300 340 Eng 1194143 8 6 85 ARM exh 1 3 6 8 int 2 4 5 7 64 66 400 401 425 Eng 1187800 B 8 00 ARM 4 R frt 8 4 L rr 64 66 400 401 425 Eng 1 187801 B 8 00 ARM 4 R rr 4 L frt 87 400 430 Eng 1381215 8 4 10 ARM int 2 4 5 7 exh I 3 6 8 68 75 L 5 Eng 572355I 12 N L ARM includes nut 6 ball S8 69 350 400 430 Eng 1382004 8 4 10 ARM int 1 4 5 8 exh 2 3 6 7 68 59 350 400 430 Eng 1382005 8 4 10 ARM int 2 3 6 7 exh 1 4 5 8 70 72 All V 8 1241850 8 N L ARM int I 4 5 8 exh 2 3 5 7 also use 1241849 ret 70 72 All V B 1241851 8 N L ARM int 2 3 8 7 exh I 4 5 8 73 75 231 350 455 Eng 1241850 8 N L ARM int 1 4 5 8 exh 2 3 6 7 73 75 231 350 455 Eng 1241851 8 N L ARM int 2 3 6 7 exh 1 4 5 8 75 260 Eng 401384 16 N L ARM 70 72 All V 8 1234424 16 38 RETAINER must use with aluminum alley arms 1234502 or 1234503 si 70 72 All V 8 1234424 15 38 RETAINER t WAREHOUSING AND DISTRIBUTION DIVISION DF GENERAL MOTORS CORPORATION 8UICI 40T t 0 303 0 333 0 B REV 4 83