ENGINE CLUTCH 0 303 SPRING ENGINE INTAKE EXHAUST VALVE Ccn t 4 When replacing this valve spring an 1956 7 957 models it is also necessary re usa valve seal 401822 ln 8 581692 Exh in Group 0308 and valve spring cup 572867 in Group 0 309 Refer to May 1959 Service Guild 8 Dealer Tech Information Bulletin Nc 59 W 54 5l NOTE Use in engine with intake manifold cast as an integral part of cylinder head S NOTE Use in eng wstli cyl lid and intake mfid cast as separate units 56 G1 Exc F85 4 565669 15 2 90 SPRING tt ii 62 BS 250 585689 16 2 90 SPRING tii it s 4 4 62 450 exc F85 585889 16 2 90 SPRING tt t tt tii 63 S8 SSS 98 exc 98 S C 585669 16 2 90 SPRING tt 53 S Fire 98 SC tt 4 595689 16 2 90 SPRING 4 44 44 4 64 F85 JSS 411225 15 2 65 SPRING ini 8 exh w damper 44 64 330 Eng 2I 4 4 411225 16 2465 SPRING 4 64 330 Eng 3 4 44 44 411225 16 2 65 SPRING 4 4 4 4 64 394 Eng 4 44 4 585699 IB 2 90 SPRING std comp eng 54 394 Eng 4 4 4 585689 l8 2 90 SPRING high comp eng 44 4 65 67 V8 exc 400 Eng D A l or irrigation 44 44 411225 16 2 65 SPRING w damper 4 4 4 66 67 V8 irrigation Eng 411225 16 2 45 SPRING int 8 exh less damper 66 75 L6 61 44 44 44 3864895 12 1 65 SPRING int 8 exh 4 67 68 V8 O A l 4 398247 16 5 45 SPRING4 int 8 exh4 w damper 4 4 66 F85 350 Eng 4 411225 8 2 65 SPRING exh 69 69 350 455 Eng exc 0 4 1 4 411225 8 2 65 SPRING intake 4 4 68 69 3200 3600 4200 V C Low Comp 411226 8 2 45 SPRING exhaust less damper 44 68 69 400 Eng 28C 4 411228 8 2 65 SPRING intake 4 69 69 4400 400 Eng 2BC Low Comp 411226 8 2 45 SPRING exhaust less damper 44 8668 400 Eng 460 exe 0 A I 44 411225 16 2 65 SPRING int 8 e h w damverl 4 68 69 350 455 Eng exc E85 Tor or Police 44 44 44 411226 6 2 45 SPRING exhaust 4 44 4 44 6B 89 455 Police Eng 41 1225 8 2 65 SPRING exhaust w damciar 4 4 68 89 Tor 411228 16 2 65 SPRING int 8 exh w damper 4 4 69 FS5 Hurst 44 998247 16 5 45 SPRING in exh 69 455 Marine Eng 4BC Hi Perf 4 411226 16 2 65 SPRING Int 8 exh w damper 44 69 71 F85 350 Eng 0 4 1 398247 18 5 45 SPRING int 8 exh 59 400 Eng Cl4A 404729 16 5 45 SPRING int 8 exh4 4 4 4 70 3200 3600 V4C 350 Eng 2BC exc O4A I 411226 15 2 45 SPRING int 8 exh less damper 44 70 3200 3500 V C 350 Eng 450 T4I I 350 44 4 411226 IB 2 45 SPRING Int 8 exh less damner 44 70 71 3200 3600 V C4 350 Eng 48C exc T I l 350 4 411225 16 2 65 SPRING int 8 exh vv damper 70 4200 2BC 4 44 4 411226 16 2 45 SPRING int 8 exh less damper 4 70 4200 T I I 350 exc 350 Eng 26C 44 4 411226 16 2 45 SPRING snr 8 exh less damper 70 4200 4400 4BC exc T H 350 or O A I 44 41 1225 16 2 65 SPRING int 8 exh w damper 70 4400 T4l 1 0 A4 4 398247 16 5 45 SPRING int 8 exh 4 4 70 4400 S T4 0 A I 404729 I6 5 45 SPRING int 8 exh 70 5400 350 Eng 4 411226 16 2445 SPRING int 8 exh 4 44 4 70 455 Eng exc F85 or Perf Eng 411228 16 2 45 SPRING int 8 exh 70 5400 6400 6500 Tor w Perf Eng 4 44 44 411225 16 2 55 SPRING int 8 exh w damper W33 8 W340pt 71 3200 3600 4800 350 Eng 2BC 4 44 411225 B 2485 SPRING exh 44 44 4 4 71 3200 3500 4BC T 1 I 350 411225 8 2 85 SPRING exh 4 71 350 455 Eng exc 4400 or Tor 4 411226 8 2445 SPRING int less damper 4 44 71 4200 350 Eng 4 BC exc T H 350 4 4 4 411225 16 2 65 SPRING Int 8 exh with damper 71 4400 exc 0 A I 4 41 1225 16 2 65 SPRING int 8 exh with damper 44 71 4400 O A I 398247 16 5 45 SPRING int 8 exn with damper 71 5400 6400 6600 w Perf Eng 41 1225 16 2 65 SPRING int 8 exh with damper 4 71 3200 3600 350 Eng 4 BC S4T 411225 16 2 65 SPRING int 8 exh iw damper 71 5400 6400 6600 6800 98 411225 S 2 65 SPRING exh w damper 4 4 71 Tor 44 44 411225 16 2 65 SPRING int exh 72 350 Eng 4 411226 8 2 45 SPRING ln Iess denver 44 72 350 Eng 4 4 411225 8 2 65 SPRING exh 4 4 4 72 455 Eng exc Tor 4 411225 16 2465 SPRING int exh4 4 73 455 Eng S T 4 411225 16 2 55 SPRING int 8 exh 44 72 Tor 44 4 411226 18 2 45 SPRING int 8 exh 44 72 Irrig 8 Marine 455 Eng 44 411226 18 2 45 SPRING int exh 73 74 350 Eng 4 4 4 4 411226 16 2445 SPRING inz 8 exh 4 44 73 74 455 Eng A T 4 44 4 411226 18 2 45 SPRING Int 8 exh 44 74 455 Eng exc 0pt W30 411226 8 2 45 SPRING int less damper 44 4 j GM PARTS DIVISION GENERAL MOTORS CORPORATION 0LOSMOBILE 30 i REV 1 1 79 0 15 0 303 0 303