140 ENGINE ASSEMBLY 0 137 SEALING COMPOUND SEAL ASSY Crankshaft Rear Bearing and Cap il NOTE 7 Consists of 1 each tube of hardener jar of compound applicator disc jar stirring rod and instruction sheet 71 75 All 140 3997597 1 11 05 SEALING COMPOUND rear main bearing and cap oil Note 1 71 75 All 140 3983488 1 1 05 SEAL ASSY crankshaft rear bearing and cap oil 0 153 SHIM Crankshaft Main Bearing Cap 71 75 All 140 3983486 A R 3 70 crankshaft bearing cap No 1 2 3 4 71 75 All 140 3983487 A R 3 70 SHIM crankshaft bearing cap No 5 0 206 COVER NUT SHIELD ASSY Engine Timing Belt 71 74 All 140 347105 1 7 20 timing belt lower repl 347105 75 All 140 w 2BC w A R 357617 1 11 30 timing belt front 72 All w 1 BC 140 exc NB2 331138 1 2 00 COVER timing belt upper 73 74 All 140 331138 1 2 00 COVER timing belt upper 75 All 140 exc A I R 331138 1 2 00 COVER timing belt upper 71 72 All w 1 BC 140 exc NB2 73 74 All 140 75 All 140 exc A l R 6258641 1 12 90 COVER belt front timing 75 All 140 9433043 2 25 NUT front cover 14 1 276 72 75 All 140 6273401 1 3 90 SHIELD ASSY upper 72 75 All 140 6273402 1 7 40 SHIELD ASSY lower 0 213 SEAL Engine Timing Belt Cover 71 75 All 140 3973135 1 3 75 crankshaft oil part of 3998331 Gasket Unit 3980267 3 50 SEAL see group 0 738 for use 0 219 COVER Engine Timing 75 All 140 331139 1 3 90 COVER timing belt upper 0 269 HEAD Cylinder 71 72 All 140 338249 1 212 00 73 74 All 140 6258453 1 212 00 75 All 140 374591 1 249 00 less valve train 75 All 140 w NB2 374529 1 366 00 partial 75 All 140 exc NB2 374647 1 352 00 HEAD partial 0 289 GASKET GASKET KIT Cylinder Head 71 75 All 140 334000 1 N L GASKET 71 74 All 140 462789 1 29 75 GASKET KIT head 75 All 140 462791 1 N L GASKET KIT head 0 293 BOLT Cylinder Head 71 75 All 140 3977170 5 59 short G 71 75 All 140 3977169 5 71 BOLT long 6 la 0 296 VALVE Inlet 71 75 All 140 338174 4 13 45 0035 0 S 71 75 All 140 338176 4 22 60 0155 O S ident by No 15 stamped on valve stem 71 75 All 140 338178 4 22 60 0305 0 S ident by No 30 stamped on valve stem 71 75 All 140 331140 4 12 75 std 0 297 VALVE Exhaust 71 75 All 140 370788 4 N L std 71 75 All 140 3992281 4 20 05 003 0 S 71 75 All 140 370789 4 20 05 0035 0 S 71 75 All 140 370790 4 20 25 0155 0 8 71 75 All 140 370791 4 20 25 VALVE 0305 0 8 0 303 SPRING TEE Valve 71 75 All 140 3980278 8 2 35 SPRING w damper 74 75 All 140 3694818 1 1 40 TEE exh valve seat 10 155 0 308 SEAL Valve Stem Oil 71 75 All 140 372237 1 37 75 intake valve 015 0 S 71 75 All 140 372238 1 37 75 intake valve 030 0 S 71 75 All 140 372241 1 8 55 exhaust valve 015 0 5 71 75 All 140 372242 1 8 55 exhaust valve 030 0 5 75 All 140 462790 1 13 55 SEAL int exh valve Stem std GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 0 1 37 0 308 0 6 REV 4 81