402 ENGINE ASSEMBLY 0 289 GASKET Cylinder Head 72 All w 4BC 402 3993890 2 4 30 GASKET 72 All 402 3997459 1 30 75 GASKET UNIT 0 293 BOLT PIN Cylinder Head 72 All 402 3877668 24 68 long 4 2 0 L 2 72 All 402 3877669 8 61 BOLT short 2 ls O L 72 All 402 3894327 A R 28 PIN Z x B 0 296 VALVE Inlet 72 All 402 6263754 A R 8 45 VALVE std 72 All 402 6263767 A R 8 45 VALVE 003 0 5 72 All 402 6263768 A R 8 45 VALVE 015 0 5 72 All 402 6263769 A R 8 45 VALVE 030 0 5 0 297 VALVE Exhaust 72 All 402 3931006 A R 9 85 VALVE std 72 All 402 3931097 A R 9 85 VALVE 003 0 5 72 All 402 3931098 A R 9 85 VALVE 015 0 5 72 All 402 3931099 A R 9 80 VALVE 030 0 5 0 303 SPRING SHIM Valve 72 All 402 3856860 16 3 00 SPRING w damper 72 All 402 3875916 16 31 SHIM valve spring 0 308 SEAL Valve Spring Cap 72 All 402 460527 A R N L SEAL exh valve stem oil 0 309 CAP Valve Spring 72 All 402 3859909 16 68 CAP 0 310 KEY Valve Stem 72 All w 4BC 402 3947880 32 31 KEY green 0 333 ARM Valve Rocker 72 All 402 6258611 16 N L ARM ball rod kit 0 386 COVER Valve Rocker Arm 72 All 402 338262 R H 19 60 w oil filler cap R H 72 All 402 338261 L H 19 55 COVER w oil filler cap L H 0 413 BOLT REINFORCEMENT Valve Rocker Cover NOTE 1 Use with bolt 180016 72 All 402 180016 1 20 BOLT 20 x z 8 900 72 All 402 3877670 A R 19 RElNFORCEMENT 1 z 0 L Note 1 0 423 GASKET Valve Rocker Cover 72 All 402 3860315 2 N L GASKET 0 426 ROD Valve Push 72 All 402 346280 8 2 20 inlet 72 All 402 346282 8 2 20 ROD exhaust 0 429 BALL NUT STUD Valve Push Rod Adjusting 72 All 402 3899622 16 69 BALL E4 dia 72 All 402 3896648 16 41 NUT 1s 20 72 All 402 3921912 16 96 STUD ball 0 439 GUIDE Crankcase and Push Rod 72 All 402 3904378 8 2 25 GUIDE push rod 0 459 LIFTER Valve or Tappet 72 All 402 5232700 16 N L LIFTER 0 519 CAMSHAFT Engine NOTE Engine Camshaft Break in Oil 1050004 Group 1 850 should be used when installing new camshafts 72 All 402 3963544 1 107 00 CAMSHAFT ldent No 3963545 0 539 BEARING Camshaft No 1 Front 72 All 402 3967808 1 4 20 BEARING stamped 1 0 543 BEARING Camshaft No 2 Front Intermediate 72 All 402 3967810 1 4 15 BEARING stamped 2 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 0 289 0 543 0 104 REV 4 81