400 ENGINE ASSEMBLY 0 297 VALVE Exhaust Refer to following Chart for Model Application NOTE See Dealer Frice Schedule for applicable pr ces VALVE CHART Exhaust 4 4 4 STD 003 0 8 015 DS 030 O S 70 71 All w 480 400 3931006 3931097 393lO98 3931099 70 All w ZBC 400 3951588 3951590 395I592 3951594 71 72 All w 2BC 400 4 4 73 75 All 400 6263778 3995502 6263775 3995604 0 303 SPRING SHIM Valve 70 71 All w 4BC 400 3970627 16 2 50 Note 1 NOTE 7 When using 3 970627 it is necessary tn discard the va ve spring cap and va ve stern 0 seal which were used with 7st design spring 70 71 All w 2BC 400 V 72 75 All 400 4 391106BA4R 1 40 w damper inlet 4 71 72 All w 4BC 400 3856860 16 2 05 vv damper 4 44 72 75 All 400 6253796 8 1455 vv damper exhaust 70 72 All w 2BC 400 73 75 All 400 v 3131053A R 14 SHIM thk Nate 2 4 444 NOTE 2 T0 be used in place af Valve Stem Oil Shield when removed at customers request 70 71 All w 4BC 400 3875916 16 15 SHIM spring u 1 0 x I u 0 0 X tt thick 4 0 308 SEAL SHIELD Valve Spring Cap 4 70 Chevelle 400 71 All w 4BC 400 4 4 352698 I 5 90 valve stem oll seal inlet Note I repl 347124 7I 72 All w 2BC 400 73 75 All 400 4 4 4 4 3B35333A R4 19 valve stem 0Il Note 1 4 71 All w 4BC 400 3866612 B 437 exh valve stem oil 4 4 71 72 All w 2BC 400 73 75 All 400 4 4 44 444 3836755 A R 20 SHIELD valve stem oll 4 4 4 NOTE I When installing seals it is necessary to discard the valve stem ail ded which is assembled to the valve spr ng cap 0 309 CAP ROTATOR ASSY Valve Spring 70 72 All w 2BC 400 73 75 All 400 4 4 44 3896934A4R 44 valve sprlng cap A stamped en top of the surface inlet 1 az 0 0 70 71 All w 4BC 400 4 3964264 16 52 CAP ASSY w deflector Note 1 44 NOTE 7 ist des gn vehicles required a cep and seaL while 2nd design vehicles require 3 954264 Cap Assy 72 75 All 400 4 4 4 4 6263794 8 3425 RDTATOR ASSY exhaust valve 4 0 310 KEY Valve Stem 70 72 All w 2BC 400 70 71 All w 4BC 400 4 4 3947880 32 14 green 4 4 44 73 75 All 400 4 4 3947770A R 414 carbonized ident by purple dye repl 838029 4 444 4 4 44 0 333 ARM ARM UNIT Valve Rocker with Adjusting Screw and Nut 70 71 All w 4BC 400 4 4 4 6258611 15 3 65 inlet and exhaust 4 4 44 70 72 All w 2BC 400 73 75 All 400 4 4 4 3974290 16 2 65 ARM UNIT inlet and exhaust V stamped on lnslde of pad end 4 4 4 0 386 COVER ASSY GROMMET Valve Rocker Arm 70 71 All w 4BC 400 4 838262R H V 12 50 w oil filler cap 4 4 4 4 44 70 71 All w 4ElC 400 44 44 338261 L H 12 90 w oil flller cap 4444 4 44 70 73 All 400 4 4 4 6272227 2 II 40 w oil filler cap R H L H 4 74 All 400 340267 L H 10 05 left 4 444 75 All 400 4 4 4 44 4 355965 L l l 11 30 left 4 4 44 74 75 All 400 4 4 4 4 44 340268 R H I0 05 right 44 4 4 4 70 All 400 4 444 4 4 3894337 A R4 13 GROMMET cover to a cl 1 4D X 1 0 0 1 745 4 4 4 0 413 BOLT REINFORCEMENT Valve Rocker Cover and Support V 70 75 All 400 4 4 180016 1 08 4 20 x 8 900 4 l 70 75 All 400 4 4 44 4 44 3877670A R4 14 REINFORCEMENT I 0 L Note 1 4 NOTE 7 Use with Balt 7800 id GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET I1 0 297 0 41 3 0 112 REV 4 77