70 All w L P Gas 6 cyl 3941010 3941034 3941035 3941036 69 All w L P Gas 350 3941010 3946821 3946822 3946823 70 All 292 350 exc L P Gas 3774685 3739242 3739244 3819005 Extreme care should be exercised when selecting replacement lnlet and Exhaust Valves for 1963 Ser 60 A 327 cu in Engines Approximately 1200 Cylinder Heads were used in production which have one 1 or more 003 O S Valves These Cylinder Heads may be identified by the numeral 3 stamped directly below the casting number 0 297 VALVE Exhaust Note Refer to P A 26 Price Schedule for applicable prices STD 003 0 S 015 0 S 020 0 5 030 0 S 040 0 S 38 40 All 83871 7 41 49 All 3835318 50 55 1 Ton 6 cyl exc D D H D 235 3835639 55 Ser 4 6 cyl exc H D 3836026 50 55 2 Ton 50 55 D D 1Vz Ton H D 235 55 56 All 6 cyl exc 1955 Ser 4 55 59 All 265 283 exc Ser 6 w H D 283 57 68 All 6 cyl exc 261 292 67 70 All 250 283 307 3839387 3840001 3840002 3840003 57 68 All 261 292 57 59 Ser 6 w H D 283 60 70 All 283 327 350 69 70 Ser 40 50 292 69 70 Ser 40 w L P Gas 250 3735316 3748242 3748244 3748245 NOTE 1 May also be used on 1955 56 2 Ton jobs for heavy duty usage 58 All 348 3747312 NOTE 2 With stellite seat and sodium fluid 59 61 All 348 3754143 3755339 3755340 3755341 62 69 All 3 53 4 53 6V 53 5196606 62 65 All 348 409 3781679 3814536 3814537 3814538 65 66 All D351 2461805 2461806 2461807 2461808 65 69 All D DH478 2461813 2461814 2461815 2461816 66 68 All 366 427 69 70 All 366 3859914 3881808 3881810 3881812 69 70 All 427 3940980 3940981 3940982 3940983 69 70 All w L P Gas 350 3972112 3973406 3973407 3973408 69 70 All w L P Gas 366 3981040 3981054 3981055 3981056 NOTE 3 With stellite seat NOTE Extreme care should be exercised when selecting replacement lnlet and Exhaust Valves for 1963 Ser 60 327 cu in Engines Approximately 1200 Cylinder Heads were used in production which have one 1 or more 003 O S Valves These Cylinder Heads may be identified by the numeral 3 stamped directly below the casting number 0 303 SPRlNG SHlM Valve 38 53 All 54 55 All 235 3835626 12 80 Vu l D x 2 2 free length 7V coils yellow aluminum or bronze 55 59 All 8 cyl exc 322 348 60 61 Ser 60 283 3732814 16 1 10 exhaust and inlet w dampener stamped 3 4 It pink gray It green lavender or brown stripe 55 63 All 261 56 58 All 235 3836640 12 80 exhaust and inlet Wu l S x 2V free Iength 8 coils yellow purple bronze or aluminum 55 56 Ser 5 6 7 8 8 cyl inlet 56 Ser 4 8 cyl 57 62 All 265 283 3836331 A R 80 exhaust and inlet less dampener V I D x 2V z free length 7V coils It pink gray lt green lavender brown or met blue 56 59 All 322 1169353 8 1 30 exhaust w dampener 1 Vm free length 5 coils 58 65 All 348 409 3743960 16 1 10 exhaust and inlet w dampener Wu I D x 2 free length 6 coils yellow aluminum dk green lavender dk blue or maroon spot of paint on bottom 3 coils on basket end 59 62 All 235 3758492 12 95 gray orange pink blue or green 62 All 327 63 66 All 250 292 283 327 Y 1971 CHEVROLET MOTOR DlVlSlON GENERAL MOTORS CORPORATION P A 31S REV 6 71 0 17 0 296 0 303