153 ENGINE ASSEMBLY V 0 303 SPRING Valve 62 63 All 153 3836331A R 1 20 outer Z O L x I D lt pink gray It green lavender brown med blue Nota 1 2 NOTE I Used w th valves having full dla stems only NOTE 2 Used only with Camshaft Assy 37 90022 64 70 All 153 3735361A R 1 50 inlet and exhaust w damper 2 yellow stripes plus maroon aluminum dk green black blue and whlte or tan stripe Note 3 4 NOTE 3 Used on y with Camshaft Assy 3831601 A so pan of Camshaft Unit 383779d 0 308 SEAL SHIELD Valve Spring Cap 62 70 All 153 3835333A R 19 O ring inlet and exhaust 4 4 4 62 69 All 153 3836755A R 20 SHIELD cup shape I D x 1 0 D 0 309 CAP Valve Spring 62 70 All 153 444 3729363A R 44 inlet and exhaust 44 0 310 KEY Valve Stem 62 70 All 153 3947770A R 14 repl 838029 0 333 ARM UNIT Valve Rocker wlth Adjusting Screw and Nut 62 70 All 153 5723561A R 2 70 Inlet and exhaust 0 386 COVER GROMMET Valve Rocker Arm 63 70 All 153 2770090 1 10 40 w grommet 63 70 All 153 3894337 1 13 GRDMMET cover to a ol n D x 1 u 0 0 1 745 Note 1 2 NOTE I May be used with ar without closed vent NOTE 2 When using on closed vent equipped vehicles it will be necessary to remove center from grommat to permit assembling of fresh air connector into side of caven 0 413 BOLT REINFORCEMENT Valve Rocker Cover and Support 62 70 All 153 80016 1 08 4 20 x e 8 900 62 70 All 153 3677670A R 14 REINFORCEMENT 1 z 0 L Note 1 NOTE I Use with B0 t 7800 76i 0 423 GASKET Valve Rocker Cover 62 70 All 153 3923456 1 2 00 17 0 L 6 holes 0 426 ROD Valve Push 62 70 All 153 37884S5A R 1 35 9 O L 0 429 BALL NUT STUD Valva Push Rod Adjusting 62 70 A 153 399229 4A R 31 dia valve rocker arm 70 All 153 3959142A R 42 4 dla 62 70 All 153 3744341 16 24 NUT valve rocker arm 24 across the flats x 62 70 All 153 3814692 16 59 STUD valve rocker arm ball 003 0 S light blue paint 62 69 All 153 3815992 16 59 STUD valve rocker arm ball 013 0 5 24 2 Z 1 groove on shank light blue paint 0 439 COVER Valve Push Rod 62 70 All 153 3788548 1 2 30 push rod 4 holes on top 0 443 GASKET Valve Push Rod Cover 62 70 All 153 3923469 1 1 30 push rod cover 0 446 BOLT Valve Push Rod Cover 62 70 All l53 3B14350A R 30 w Iockwasher and seal 18 x 0 459 TAPPET Valve or Lifter 62 70 All 153 5232450A R N L hydraulic type 0 519 CAMSHAFT NOTE Engine Camshaft Break in O l 705 7396 Group 1 85Q should be used when installing new camshafts 62 70 All 153 3831607 1 ldent No 3830998 0 533 BEARING UNIT Camshaft Thrust 65 70 All 153 3790531 1 2 00 w spacing ring 1 O D x 1 I D 0 539 BEARING Camshaft Front or No 1 62 70 All 153 3750882 1 2 65 precision type stamped 2 0 543 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 REV 4 77 we 0 3030 539