69 F85 Hurst 398247 16 2 82 SPRING int 8 exh I 69 455 Marine Eng 4BC Hi Perf 4 4 397583 16 1 54 SPRING int 8 exh vv damper 4 69 71 F85 350 Eng 0 A l 398247 I6 2 82 SPRING Int exh 69 400 Eng 0 A l 404729 15 2 82 SPRING int exn 1 70 3200 3600 V C 350 G Eng ZBC exc 0 A I 387720 15 1 23 SPRING int 8 exh less damper 70 3200 3600 V C 350 Eng 4BC T H 350 387720 I6 1 23 SPRING int 8 exh less damper 70 71 3200 3600 V C 350 Eng 4BC exc T H 350 397583 16 l 54 SPRING int exn lw damper 70 4200 ZBC 387720 16 1 23 SPRING int exh less damper 70 4200 T H 350 exc 350 Eng 2BC 387720 16 1 23 SPRING int exh less damper 70 4200 4400 48C exc T H 350 er O A l 397583i7 1li6 1 54 SPRING int exh w damper 70 4400 T l l 0 A l 398247 6 2 82 SPRING int 8 exh 70 4400 S T 0 A l 404729 16 2 82 SPRING int exh 70 5400 350 Eng 387720 I6 1 23 SPRING int E4 exh 70 455 Eng exc F85 or Perl Eng 387720 I5 1 23 SPRING int exh 70 5400 6400 6600 Tor w Perf Eng 397583 16 1 54 SPRING int 5 exh w damper w33 84 w34 Opt 71 3200 3600 4800 350 Eng 2BC 397583 8 1 54 SPRING exh L 71 3200 3600 48C T H 350 iZ Z 1Z 397583 8 1 54 SPRlNG exh 71 350 455 Eng ext 4400 5 I Z or Tor 387720 8 1 23 SPRING int less damper 7 I 4200 350 Eng 4 BC exc T H 350 397583 16 1 54 SPRING Int exh Mth damper 7 I 4400 exc 0 A l 397563 16 I I 54 SPRING Int 8 exh with damper 71 4400 0 A l 398247 16 2 82 SPRING int 8 exh with damper 71 5400 5400 6600 w Perf Eng 397583 15 l 54 SPRING Int 8 exh with damper 71 3200 3600 350 Eng 4 BC S T 397583 16 1 54 SPRING int exh w damper 71 5400 8400 6600 6800 98 397563 B 1 54 SPRING exh w damper 71 Tor 397583 IB 1 54 SPRING int exh E 72f 350 Eng 411225 B 1 23 SPRING int less damper 72 350 Eng 41 1225 8 1 54 SPRING exh 72 455 Eng exc Tor 411225 16 1 54 SPRING int 8 exh 72 Tar 411225 I5 l 23 SPRING int 8 exh 1 NOTE This part used tp provide supplemental spring loads at extreme high speed shifts Intake and exhaust valve oil deflectcrs must be removed and discarded when installing this spring Z NOTE 1964 lst type used with cast iron valve rocker arms 3l NOTE 1954 2nd Wve used with stamped steel valve rocker arms 4 When replacing this valve spring on 1956 1957 models It is also necessary to use valve seal 401822 Int 581692 Exh in group 0 308 and valve spring cup 572881 in group 0 309 Refer to May 1959 Service Guild Br Dealer Tech information Bulletin No 59 W 54 0 308 BEIELECTOR O RING SEAL Sl lIELD ENGINE INTAKE EXHAUST VALVE 56 63 V8 I 388833 8 25 DEFLECTOR intake 61 F85 388834 8 25 DEFLECTOR exhaust 52 63 V8 388634 B 25 DEFLECTOR exhaust 64 330 Eng 401823 IF 25 DEFLECTOR intake 8 exhaust std 005 0 5 64 330 Eng 401825 15 25 DEFLECTOR irrmke exhaust 0 10 013 0 5 64 394 Eng 388833 8 25 DEFLECTGR intake 64 394 Eng 388834 8 25 DEFLECTDR exhaust 65 70 VB 401823 16 25 DEFLECTOR intake 8 exhaust std 005 0 5 65 69 V8 401825 16 25 DEFLECTOR intake exhaust 010 013 0 5 Blue 67 Oil Research 401822 AR 25 DEFLECTOR intake 70 72 V8 v 404 25 8 25 DEFLECTDR exhaust 010 013 0 5 70 72 VS 406595 6 25 DEFLECTOR intake std 005 0 5 70 72 V8 466945 A R 25 DEFLECTDR intake 010 013 0 5 71 72 V8 401823 8 25 DEFLECTOR exhaust std OO5 0 5 66 71 L5 3835333 I2 15 0 RING int L exh 52 55 All 565809 16 30 SEAL int 8 exh tap hat type 56 57 All 667924 I5 30 SEAL int 8 exh umbrella type 56 81 Exc F85 581692 8 30 SEAL exh umbrella type l 66 71 L6 3838755 12 15 SHIELD oil cup shape 7 8 I D x 1 3 B 0 D 1 Also used on 195657 models when replacing valve spring 571990 by 575533 OLD5M06lLE DIVISION GENERAL MOTORS CORPORAT1ON 0 303 0 308 0 14 REV JAN 1972