67 70 All 292 3735381 A R 1 10 inlet and exhaust w damper 2 yellow stripes with a maroon aluminum dk green black blue and white or tan stripe Note 1 NOTE 1 When using in place of 3864895 250 eng it will be necessary to discard old valve spring cap and replace with 3729363 identified by letter H on top face 62 69 All 3 53 4 53 6V 53 5144019A R 44 exhaust 63 65 Ser 50 230 66 70 All 250 3864895 12 90 inlet and exhaust 65 69 All D351 D DH478 2459782 12 69 valve inner 65 69 All D351 D DH478 2459783 12 1 15 valve outer 66 70 All 366 427 3887125 16 1 50 inlet and exhaust w damper 1 I D x 2 free length 6 coils 67 70 All 283 307 327 350 3911068 16 1 05 w damper 55 70 All 265 283 307 327 350 3731058A R 05 SHIM x O D x Vu thick Note 2 58 61 All 348 3764539 A R 05 SHIM I D x 1 Vu O D x Vaz thick Note 2 NOTE 2 To be used in place of Valve Stem Oil Shield when removed at customers request Also see group 0 269 for use w Cylinder Head Assy 3820640 66 70 All 366 3875916 8 05 SHIM inlet spring M I D x 1 0 D x Vu thick 68 70 All 427 69 70 All 366 3891521 8 20 SHIM inlet spring exhaust spring 0 308 SEAL SHIELD Valve Spring Cap 41 47 All 839897 6 55 exhaust V4 height overall 47 70 All exc 322 348 366 409 427 Diesel 3835333 A R 10 O ring 56 59 All 322 3727391 16 05 rubber l D x V 4 278 Note 1 NOTE 1 Use with 3751045 Valve Spring Cap Key 58 65 All 348 409 3756314 16 10 valve stem oil 0 D 59 All 283 3764389 8 25 inlet valve stem to guide oil 65 69 All D351 D DH478 2194132 6 04 inlet valve stem 66 70 All 366 427 3866612 16 15 valve stem oil inlet and exhaust 55 66 All 8 cyl exc 322 348 366 409 63 66 Ser 50 60 6 cyl exc Diesel 67 70 All exc 366 427 Diesel 3836755A R 10 SHIELD cup shape I D x 1 0 D 58 65 All 348 409 3732891 16 10 SHIELD valve stem oil 0 309 CAP ROTATOR ASSY Valve Spring 38 47 All 839367 6 10 inlet U key round double flange or round stamped N 080 thk Note 1 47 52 All inlet and exhaust 53 56 D D 6 cyl 53 55 1 Ton H D 235 53 55 2 Ton 55 62 All 6 cyl 3835392 A R 15 inlet 1V dia O80 thick Note 1 NOTE 1 On 1941 47 models w two 2 groove valve stems use 3835392 cap 55 62 All 8 cyl exc 322 348 409 inlet 59 Ser 6 w L D 283 60 62 Ser 50 60 283 327 63 66 Ser 50 60 exc Diesel 348 366 67 70 All 6 cyl 3729363 A R 15 exhaust 1 O D stamped H 58 65 All 348 409 3747309 16 25 inlet and exhaust Wie 0 D 62 69 All 3 53 4 53 6V 53 5123330 A R 39 exhaust 65 69 All D351 D DH478 2459784 12 36 inlet and exhaust 66 All 366 3859909 16 25 inlet and exhaust 1 O D stamped T 66 70 All 366 427 3864900 16 25 inlet and exhaust 1 0 D stamped O 67 70 All 283 307 327 350 3896934 8 15 inlet A stamped on top surface 1 0 D 41 55 1 Ton 6 cyl exc D D 41 53 2 Ton 3695373 6 2 35 ROTATOR ASSY exhaust valve Note 4 NOTE 4 For use w 45 degree valves only for preventing excessive heat generation on heavy duty truck or other operations where this condition may be encountered 54 56 D D 6 cyl 54 55 2 Ton 54 1 Ton H D 235 55 62 All 6 cyl 3739410 6 2 40 ROTATOR ASSY exhaust valve stamped RC 55 62 All 8 cyl exc 322 348 409 63 66 Ser 50 60 292 283 327 67 70 All 283 292 307 327 350 exc L P Gas 3851837 A R 2 40 ROTATOR ASSY exhaust lynn O D x 4 thk stamped RCH i 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S 1 0 303 0 309 0 18 REV 6 71