1 A 1 1 1 1350 ENGINE ASSEMBLY 1 I 1 t 1 0 296 VALVE Inlet 1 A 1 I 1 Refer to following Chart for Model Application 1 I NOTE See Dealer Price Schedule P A 26 for applicable prices 1 1 VALVECHART Inlet 11 1 1 STD 003 0 S 015 0 S 030 0 S 69 All w Light Duty 350 exc L P Gas 3989083 3995684 399 5685 3995686 1 1 69 70 All w L P Gas 350 l 1 3994295 3994296 3994297 V 69 All 350 exc Light A Duty L P Gas 1 1 70 71 All Blazer 350 exc L P Gas 72 V g Ser 10 exc L P Gas I I 72 Ser 20 Sub 1 72 G10 thru 30 exc Panel 3989085 3995681 3995682 3995683 72 Ser 20 30 Cab FFC exc L P Gas 72 D D exc L P Gas 1 1 1 A 1 72 G 30 Panel 1 3989088 3997749 3997750 3997751 71 72 All w L P Gas 3989086 3994295 I 3994296 3994297 1 0 297 VALVE Exhaust A Refer to following Chart for Model Application 1 1 1 NOTE See Dealer Price Schedule P A 26 for applicable prices A 1 VALVE CHART Exhaust 1 1 s STD 003 0 S 015 0 S 030 0 3 A 69 All w Light Duty 350 exc L P Gas 4 1 e 1 A 11 70 71 All 350 exc L P Gas 1 72 Ser 10 Blazer exc L P Gas 1 1 1 72 Ser 20 Sub exc L P Gas 1 I 72 G I0 20 V 72 G 30 Sub Panel 329275 3995602 3995603 3995604 69 All 350 exc Light 1 Duty L P Gas 3989089 3997726 3997727 3997725 1 69 72 AII w L P Gas 350 1 I 72 Ser 20 Cab exc L P Gas 72 Ser 20 30 D D exc L P Gas A 72 Ser 30 exc L P Gas 6263778 6263 774 1 6263775 6263776 71 72 All w L P Gas 336733 336742 336743 NOTE 1 2nd design w increased valve stem dia use w 2nd design heads or lst design heads by V reaming all guides to accept the oversize valve stem See Group 0 269 V 0 303 SPRING SHIM Valve 1 1 1 Q NOTE 1 To be used in place of valve stem oil shield when removed at customers reouest 69 72 All Blazer 350 3911068 16 1 w damper 69 72 All Blazer 350 3731058 16 SHIM a I D x I 0 D x thick A L 1 Note 1 0 308 SEAL SHIELD Valve Spring Cap 1 I 69 72 All Blazer 350 1 3835333 A R 1 O ring inlet and exhaust 1 l 69 72 All Blazer 350 1 3836755 A R SHIELD cupfshape I D x 11 0 D 0 309 CAP ROTATOR ASSY Valve Spring I 69 72 AII Blazer 350 3896934 A R valve spring cap A stamped on top of V the surface inlet 1 n 0 0 69 All Blazer 350 exc L P Gas 67263794 A R ROTATOR ASSY exhaust valve 1 1 I I A 0 0 x thk stamped RCH 0 310 KEY Valve Stem Y 69 72 All Blazer 350 83B029A R U shape GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROI ET 72T1L I 0 296 0 310 0 74 REV 5 79