140 ENGINE ASSEMBLY 0 308 SEAL UNIT Valve Stem Oil lCon t 71 75 All 140 4 4 4 372242 I 5 55 exhaust valve 030 0 5 75 All 140 372333 1 9 00 int exh valve stem std repl 361046 0 309 CAP Valve Spring 71 75 All 140 3980281 8 28 0 310 KEY Valve Stem 71 75 All 140 3947770 18 14 rep 838029 0 386 COVER ASSY Camshaft 71 75 All 140 3994274 1 15 75 0 413 SCREW ASSY Valve Rocker Cover 7I 75 All 140 8262890 10 13 machine w rubber washer 4 20 X u 0 459 TAPPET ASSY SCREW Valve 71 75 All 140 5232770 8 4 35 valve adj screw tip color plain 430 451 375 397 Note 1 NOTE 7 Used as active y as required lar 0 total of 3 per vah with 523277 7 72 tc obtain acceptable va ve lash V 71 75 All 140 5232771 8 4 35 valve adj screw tip color blue 438 459 383 405 Note 2 NOTE 2 Used se active y as required for a total of B par veh with 52327 70 72 tv obtain acceptable va ve lash 7I 75 All 140 5232772 B 4 35 valve adj screw tip color copper 422 443 383 405 Note 3 NOTE Ik Used selectively as required for a total of B per veh with 5232770 77 tv ahtain acceptable valve lash 71 75 All 140 5232760 B 80 SCREW valve tappet assy adjusting plain color 71 75 All 140 5232763 8 89 SCREW valve tappet essy adjusting colored blue 71 75 All 140 5232764 8 89 SCREW valve teppet easy adjusting colored copper 0 519 CAMSHAFT Engine 71 72 All w IBC 140 exc NB 2 73 75 All w 1BC 140 3973131 1 40 50 71 All w 2BC 140 3988714 1 47 25 72 All w 2BC NB 2 140 E 73 75 All w 2BC 140 8282888 1 40 50 0 529 GASKET Camshaft Cover 71 75 All 140 3988304 I 2 25 0 539 BEARING Camshaft 71 75 All 140 3996776 1 2 30 No 1 71 75 All 140 3983489 4 2 50 No 2 3 4 5 0 553 PLUG Camshaft Rear Bearing Hole 7I 75 All 140 3973130 1 20 0 803 ROD ASSY Connecting 71 75 All 140 370799 4 17 05 repl 3977110 0 816 BEARING UNIT Connecting Rod 71 75 All 140 347118 4 4 00 std f 71 75 All 140 347119 4 4 00 001 U S 71 75 All 140 3715046 4 5 15 002 U S 71 75 All 140 3715048 4 5 15 010 U S 71 75 All 140 3715047 4 5 15 020 U S 0 623 BOLT Connecting Rod Bearing Cap 71 75 All 140 460405 8 92 24 x 1 repl 370739 3892670 0 628 NUT Connecting Rod Bearing Cap Bolt 71 75 All 140 3815280 8 28 u 24 0 829 PISTON ASSY Engine 71 75 All 140 3992229 4 22 30 w pin S 5 std 3 4977 to 3 4982 71 75 All 140 3997405 4 26 25 w pin 5 6 std 3 4982 to 3 4987 71 75 All 140 3992230 4 26 25 w pin S 7 001 0 S 3 4987 to 3 4992 71 75 All 140 3997406 4 26 25 w pin S 8 00I 0 8 3 4992 to 3 4997 71 75 All 140 3992231 4 17 45 w pin 010 0 5 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 REV 4 77 wr 0 308 0 629