350 ENGINE ASSEMBLY R s 0 3 33 ARM Valve Rocker with Adjusting Screw and Nut 69 72 All Blazer 350 i 3974290 16 inlet and exhaust O stamped on inside V B of pad end V 0 386 COVER ASSY GROMMET Valve Rocker Arm 69 72 All Blazer 6272227 A R L H or R H 70 72 All Blazer 350 3694337 1 GROMMET cover to a cl I D x A l 0 D V B 0 413 BOLT REINFORCEMENT Valve Rocker Cover and Support Also see V Group 0 366 NOTE 1 Use wirh Bolt 180016 69 12 All Blazer 350 180016 1 20 x vs 8 900 69 72 All Blazer 350 I 3877670 A R REINFORCEMENT l s 0 L Note 1 I 0 423 GASKET Valve Rocker Cover 69 72 All Blazer 350 3933964 2 A 0 426 ROD Valve Push j I NOTE 1 May have one black stripe at each end R NOTE 2 Color marked end to be at valve rocker arm 69 72 All Blazer 350 3796243 A R I 7 az O L blue stripe Note 1 2 I 0 429 BALL NUT STUD Valve Push Rod Adjusting I 69 72 All Blazer 350 3959142 16 i dia valve rocker arm 69 72 All Blazer 350 3744341 16 y NUT valve rocker arm 24 across the flats x thk 1 69 72 All Blazer 350 3814692 s 16 STUD valverocker arm ball 003 O S V V 24 xV2 I 2 grooves on shank I V light blue paint 69 72 All Blazer 350 3815892 16 STUD valve rocker arm ball 013 0 5 1 24 x 2 Z 1 groove on shank light V blue paint V 0 446 BOLT Valve Push Rod Cover V V 69 70 All BIazer 350 3814350 A Fl w lockwasher and seal 18 x L 0 459 TAPPET Valve or Lifter I 69 72 All Blazer 350 5232720 16 hydraulic type 0 5V19 CAMSHAFT V l A NOTE Engine Camshaft Break in Oil Group 1 850 should be used when installing new camshafts 69 72 All Blazer 350 exc NB2 3896929 1 standard Ident No 3896930 72 All Blazer w N B 2 V V 3998962 1 V 0 533 BEARING UNIT Camshaft Thrust R V 69 70 AIl cB Iazer 350 3790531 1 nw spacing ring 1 0 0 x 1 l D B 0 539 I BEARING Camshaft All Locations 1 thru 5 69 12 All Blazer 350 3723584 from No 1 V 69 72 All Blazer 350 3723585 2 front inter No 2 rear No 5 69 72 All Blazer 350 3723586 2 center No 3 rear inter No 4 0 543 BEARING Camshaft Front lntermediate See Group 0 539 for model i V application 0 546 BEARING Camshaft Center and Rear Intermediate See Group 0 539 for model application V 0 549 BEARING Camshaft Rear See Group 0 539for model application V i 0 553 PLUG Camshaft Bearing Hole cup type in cylinder block A l V 69 10 All Blazer 350 3704158 V 1 2 dia 71 72 All Blazer 3997752 1 V rear V 0 603 ROD ASSEMBLY Connecting Less Dipper V 69 72 All Blazer 350 3916396 8 2 I 0 616 BEARING UNIT Connecting Rod 1 Upper and 1 Lower I Refer to Chart for Model Application V V i NOTE See Dealer Price Schedule P A 26 jfor applicable prices V I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEvROLET 72TL Q REV 5 79 0 15 0 333 0 616