I I I 307 AND 327 ENGINE ASSEMBLIES V 0 103 I BEARING UNIT Crankshaft Rear Intermediate 1 Upper and 1 Lower T See Chart following Group 0 096 for Model Application I NOTE See Dealer Price Schedule P A 26 for applicable prices V 0 105 CAP Crankshaft Rear Bearing NOTE 1 When using in placeqf 3759260 it is necessary to discard oil pump atch bolt 3754998 and use I bolt 3892678 65 67 All 327 3911052 1 Note 1 68 72 All Blazer 307 327 3911007 1 0 106 BEARING UNIT Crankshaft Rear 1 Upper and 1 Lower See Chart following Group 0 096 for Model Application I NOTE See Dealer Price Schedule P A 26 for applicable prices 0 107 DOWEL Crankshaft Bearing Cap 65 72 All Blazer 307 327 3836903 A RI rear cap 14 0 0 x J 0 738 0 137 SEAL Crankshaft Rear Bearing and Cap Oil A 66 72 All Blazer 307 327 V 473424 2 I r 0 153 SHIM UNIT Crankshaft Bearing Cap 65 72 All Blazer 307 327 3911010 A R front and intermediate 65 72 All Blazer 307 327 3911011 A R rear 2 i O L L I 0 206 COVER PIN Crankcase Front End I I 65 67 All 327 361926 1 w oil seal double timing mark brkt 68 All 307 327 361927 1 COVER ASSY T 69 72 All Blazer 307 3991433 1 COVER ASSY i 65 72 All Blazer 307 327 3836903 2 l PIN dowel x 0 738 0 207 GASKET Crankcase Front End Cover 65 72 All Blazer 307 327 I 3799620 1 attach 2 dowel holes ET 0 213 SEAL Cr ankcase Front End Cover I 65 72 All Blazer 307 327 3980267 1 crankshaft front oil I I 0 219 POINTER Tiihing I 71 72 All Blazer 307 lst design 39914 35 1 2 3 wide 71 72 All Blazer 307 2nd design 3997780 1 2 wide I I 0 269 HEAD Cylinder 8 66 70 All Blazer 307 327 71 G 10 lst design 3958602 2 w studs 71 G 20 2nd design i 71 Ser IO thru 30 Blazer 72 I All Blazer 6272069 2 I w studs 0 289 GASKET GASKET UNIT Cylinder Head I I 1 I NOTE 1 Unit consists oh 2 cylinder head gaskets 2 valve rocker cover gaskets 1 inlet manifold front rear RH LH side gaskets 1 exhaust manifold valve gasket 1 water outlet gasket 1 ignition timer distributor gasket 2 exhaust pipe packings and 16 valve stem oil seals V 65 68 All 327 L I 3830711 2 68 72 All Blazer 307 3995633 I2 65 68 All 327 i 3931606 1 GASKET UNIT Note 1 I 68 All 307 3931595 1 GASKETUNIT Note 1 69 72 All Blazer 307 3997563 1 GASKET UNIT Note 1 0 293 BOLT Cylinder Head 8 I I NOTE 1 Usewith cylinder head with cast in oil trough on outer edge I I 66 72 All Blazer 307 327 3704796 16 short 14I x 1 65 72 All Blazer 307 327 3734594 A R long 14 x 3 circle on top of head 65 72 All Blazer 307 327 3767468 4 medium 14 x 3 circle on top of head Note 1 xm I I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL L REV 5 79 0 61 0 103 0 293