427 ENGINE ASSEMBLY 0 096 BEARING UNIT Crankshaft Front 1 Upper and 1 Lower See chart for model application NOTE See Dealer Price Schedule P A 26 for applicable prices V A I CRANKSHAFT MAIN BEARING CHART Q Position t STD 001 U S 002 U S 010 U S 020 U S 71 72 AII 292 y 71 72 All All exc Rear 347013 3885379 3885378 347016 347017 71 72 AII Rear 347018 347019 347020 347021 347022 I 0 105 CAP Crankshaft Rear Bearing 71 72 AII 3877472 1 I 0 107 PIN Crankshaft Bearing Cap 71 72 All 3836903 A R dowel dia x long 0 738 0 137 SEAL Crankshaft and Rear Bearing Cap Oil y 71 72 All 3962863 2 0 153 SHIM UNIT Crankshaft Bearing Cap 71 72 All 3877468A R front and intermediate I 71 72 All 3877476 A R rear 0 206 COVER ASSY PIN Crankcase Front End I 71 72 All 330850 1 71 72 All 3836903 A R PIN dowel 4 dia x ong e 0 738 0 207 GASKET Crankcase Front End Cover A 71 72 AII g 3935449 1 I 0 213 SEAL Crankcase Front End Cover 71 72 All 3860095 1 3 O D stamped 3860095 0 21 9 POINTER Timing I I 71 72 AII 354407 1 I 0 269 HEAD Cylinder 71 72 All 338248 2 w guide insert 0 289 GASKET Cylinder Head NOTE 7 Unit consists of 2 cylinder head gaskets 2 va ve rocker cover gaskets 8 inlet manifold gaskets 4 water outlet gasket 1 ignition timer distributor gasket 2 exh pipe packings 7 heat va ve gasket and 1 therm by pass elbow gasket 71 72 All 3921940 2 I 71 72 All 6259319 1 GASKET UNIT Note 1 0 293 BOLT PIN Cylinder Head 8 71 72 All 3877669 8 short 2 w O L raised cross on head 71 72 All 3877668 24 Ion g 4 z O L raised cross on head 71 72 All 3894327 4 PIN dowel I z I D x dia I 0 296 VALVE Inlet I A NOTE See Dealer Price Schedule P A 26 for applicable prices STD 003 0 S 0 15 0 S 030 0 S 71 72 AII 3859915 3881809 3881811 3881813 I 0 297 VALVE Exhaust 4 NOTE See Dea er Price Schedule P A 26 for applicable prices STD 003 O S 015 0 S 030 O S 71 72 All 330808 330821 330822 330823 0 303 SPRING SHIM Valve I 71 72 All 3887125 16 w damper 71 72 AII 3891521 A R SHIM inlet spring t GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 0 096 0 303 0 eo REV 5 79