327 ENGINE ASSEMBLY 0 413 BOLT REINFORCEMENT Valve Rocker Cover and Support Con t 65 All 409 3877670 A R 19 REINFORCEMENT 1 Z 0 L Note 1 0 423 GASKET Valve Rocker Cover 65 All 409 3795426 2 2 95 GASKET cork rubber composition 5 az thick 0 426 ROD Valve Push NOTE 7 Color marked end to be at valve rocker arm 65 All 409 exc H Per dual 4BC 3755545 8 2 20 inlet 8 E O L green stripe Note 1 65 All 409 exc H Per dual 4BC 3755543 8 2 20 exhaust 99 S O L yellow stripe Note 1 65 All w H Per dual 4BC 409 3795627 8 3 70 inlet 853 S4 O L black stripe Note 1 65 All w H Per dual 4BC 409 3822934 8 3 85 ROD exhaust 9 S O L pink stripe Note 1 0 429 BALL Valve Push Rod Adjusting 65 All 409 3992294 A R 53 BALL 5 S dia valve rocker arm 0 459 LIFTER Valve or Tappet 65 All 409 5232450 16 N L hydraulic type 65 All w H Per dual 4BC 409 5232695 16 N L LIFTER mechanical type 2 O L x 2 az 0 D 0 543 BEARING Camshaft No 2 Front Intermediate 65 All 409 3723585 1 3 90 BEARING precision type stamped 2 0 546 BEARING Camshaft Center and Rear Intermediate 65 All 409 3750884 A R 4 00 BEARING stamped 3 4 0 553 PLUG Camshaft Bearing Hole cup type in cylinder block 65 All 409 3704158 1 41 PLUG 2 B dia 0 603 ROD Connecting Less Dipper 65 All 409 3814126 8 26 50 ROD lock nut has only one end chamfered 0 623 BOLT Connecting Rod Bearing Cap 65 All 409 460405 A R 1 45 2 24 x 1 B 65 All 409 3732718 16 1 05 BOLT 24 x 2 knurled shank 0 626 NUT Connecting Rod Bearing Cap Bolt 65 All 409 9422298 A R 15 NUT B 24 x 5 1G thick one end chamfered 8 917 0 643 RING UNIT Piston Service Sets These are Molybdenum premium rings 2 Single cylinder replacement 65 All 409 328546 A R 11 80 RING KIT std Note 2 65 All 409 328556 A R 11 95 RING KIT 030 0 5 Note 1 2 0 649 BEARING Crankshaft Clutch Pilot 65 All 409 3752487 1 N L BEARING bush type zz I D x 13 R O D x 0 659 PULLEY Crankshaft NOTE ln some cases double groove pulleys may be used in place of single groove pulleys NOTE Crankshaft harmonic balancer is also referred to as torsional damper 65 All 409 exc C A C 3858533 1 13 60 PULLEY double 6 O D stamped 3766987 0 662 WASHER KEY Harmonic Balancer and Crankshaft Pulley NOTE 1 Used with pulleys and hubs having a sha low deep keyway only All full depth slots take standard Woodruff key 706757 two short or 744542 one long in Group 8 960 65 All 409 exc dual 4BC 3739422 1 79 WASHER balancer 65 All w key long x 3 1G wide x high 3883206 A R 31 KEY crankshaft pulley hub Note 1 65 All w key I3 a long x 16 wide x S2 high 3885092 1 28 KEY crankshaft pulley hub Note 1 0 666 FLYWHEEL with Ring Gear NOTE 7 lt is necessary to use shorter 5A O L mounting bolt 3727207 with this flywheel assy GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 0 413 0 666 0 110 REV 4 81