400 ENGINE ASSEMBLY 0 426 ROD Valve Push Con t 71 All w 4BC 400 2nd design 346280 8 2 20 inlet 8 2 0 L 5 6 dia 71 All w 4BC 400 2nd design 346282 8 2 20 ROD exhaust 93 is O L 5 IG dia 0 429 BALL NUT STUD Valve Push Rod Adjusting NOTE 1 When using 3921912 in place of 3904396 on aluminum head it is mandatory to install 452716 helicoil 70 71 All w 4BC 400 3899622 16 69 S4 dia valve rocker arm 70 75 All 400 3959142 A R 61 BALL 3 dia 70 71 All w 4BC 400 3896648 16 41 NUT valve rocker arm hex Ik a 20 cad 71 72 All w 2BC 400 73 75 All 400 3744341 A R 41 NUT 8 24 70 72 All w 2BC 400 73 75 All 400 3814692 16 89 STUD valve rocker arm ball 003 O S light blue paint 70 71 All w 4BC 400 3921912 16 96 STUD valve rocker arm ball Note 1 71 72 All w 2BC 400 73 75 All 400 3815892 A R 89 STUD 3 B 24 x 25 B 013 0 5 0 439 GUIDE Valve Push Rod 70 71 All w 4BC 400 1st design 3860038 8 1 55 2 holes and 2 U slots 71 All w 4BC 400 2nd design 3904378 8 2 25 GUIDE 0 459 LIFTER Valve or Tappet 70 72 All w 4BC 400 5232700 16 N L 70 72 All w 2BC 400 73 75 All 400 exc Police 5232720 16 N L 73 75 Police 400 5232720 16 N L LIFTER 0 519 CAMSHAFT Engine 70 72 All w 2BC 400 exc NB 2 73 All 400 74 All 400 exc NB 2 75 All 400 3896929 1 83 50 standard ident No 3896930 70 All w 4BC 400 3874872 1 92 75 Ident No 3874874 71 All w 4BC 400 3963544 1 107 00 ident No 3963545 72 All w NB 2 400 74 All w NB 2 400 340284 1 86 75 CAMSHAFT 0 539 BEARING Camshaft Front or No 1 70 72 All w 2BC 400 73 75 All 400 474005 1 12 25 precision type stamped 1 70 71 All w 4BC 400 3967808 1 4 20 BEARING precision type stamped 1 0 543 BEARING Camshaft No 2 Front Intermediate 70 72 All w 2BC 400 73 75 All 400 3723585 1 3 90 precision type stamped 2 70 71 All w 4BC 400 3967810 1 4 15 BEARING precision type stamped 2 0 546 BEARING Camshaft Center and Rear Intermediate 70 72 All w 2BC 400 73 75 All 400 3723586 A R 4 00 stamped 3 and 4 70 71 All w 4BC 400 3967809 2 4 20 BEARING center and rear inter stamped 3 4 0 549 BEARING Camshaft Rear 70 72 All w 2BC 400 73 75 All 400 3723585 1 3 90 precision type stamped 2 0 543 70 71 All w 4BC 400 3967810 2 4 15 BEARING precision type stamped 2 0 543 0 553 PLUG Camshaft Bearing Hole cup type in cylinder bl ck 70 71 All w 4BC 400 3859926 1 41 steel 27 gz dia x 1 ir thk 71 All w 2BC 400 lst design 3704158 1 41 rear brg 71 Pass Monte Carlo w 2BC 400 2nd design 73 75 All 400 3997752 1 26 PLUG rear brg has Mfg Ident Mark 0 603 ROD Connecting Less Dipper 70 71 All w 4BC 400 473388 8 28 00 orange 70 72 All w 2BC 400 73 75 All 400 361933 8 27 50 ROD 0 616 BEARING KIT Connecting Rod 1 Upper and 1 Lower Aluminum ll l 400 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 REV 4 81 0 97 0 426 0 616