ENGlNE CLUTCH 0 659 BALANCER PULLEY Crankshaft C0n t 63 65 Y W P S EXC SP H PER 3744043 1 13 60 PULLEY DOUBLE 6 B O D PAINTED BLACK 64 66 Y EXC SP H PER F 427 3850838 1 14 80 PULLEY 72 S4 0 D 65 66 Y 396 427 W C A C 3863108 1 48 75 PULLEY 2 GROOVES CAST 66 67 Y 327 EXC C A C SP H PER A I R 3755820 1 12 90 PULLEY 66 68 Y 327 W SP H PER C A C P S 3850838 1 14 80 PULLEY 7Z S4 O D 66 68 Y 327 W SP H PER EXC P S 3858533 1 13 60 PULLEY 2 GROOVE 65 B DIA 66 Y 327 427 W H PER SP H PER P S 3744043 1 13 60 PULLEY DOUBLE 65 B O D PAINTED BLACK 67 68 Y 327 W SP H PER C A C P S 3751232 1 12 90 PULLEY 67 68 Y 327 W C A C EXC SP H PER 1ST DESIGN 3850838 1 14 80 PULLEY 7 S4 O D 67 Y 427 W C A C EXC 3 2BC H PER 3863108 1 48 75 PULLEY 2 GROOVES CAST 67 Y W P S 427 SP H PER 327 EXC H PER 3751232 1 12 90 PULLEY 68 Y EXC C A C H PER SP H PER 1ST DESIGN 3744043 1 13 60 PULLEY DOUBLE 65 B O D PAINTED BLACK 68 Y EXC C A C H PER SP H PER 2ND DESIGN 3850838 1 14 80 PULLEY 72 S4 O D 68 69 Y 427 W H D SP H PER 1ST DESIGN 3921923 1 14 50 PULLEY 2 GROOVE 68 69 Y 427 W H PER EXC 3 2BC 3921923 1 14 50 PULLEY 2 GROOVE 68 69 Y W C A C EXC 427 2ND DESIGN 3911013 1 14 80 PULLEY 7 S4 O D 69 70 Y 350 EXC P S C A C H PER SP H PER 3850838 1 14 80 PULLEY 7 G4 O D 69 71 Y 350 W H PER C A C P S 3751232 1 12 90 PULLEY 69 73 Y 350 W H PER SP H PER EXC C A C H D 4 SPD 3858533 1 13 60 PULLEY 2 GROOVE 65 B DIA 69 Y 427 W H D 2ND DESIGN 3863108 1 48 75 PULLEY 2 GROOVES CAST 70 71 Y 350 EXC H PER SP H PER 3751232 1 12 90 PULLEY 70 74 Y 350 W C A C EXC H D 4 SPD 3911013 1 14 80 PULLEY 7 S4 O D 70 72 Y 350 W H D 4 SPD SP H PER 3929697 1 49 25 PULLEY 2 GROOVE 70 73 Y 454 EXC H D SP H PER 3921923 1 14 50 PULLEY 2 GROOVE 71 Y 454 W SP H PER 3863108 1 48 75 PULLEY 2 GROOVES CAST 72 74 Y 350 W P S C A C 3751232 1 12 90 PULLEY 74 80 Y 350 EXC A C 3858533 1 13 60 PULLEY 2 GROOVE 65 B DIA 74 Y 454 EXC C A C 3921923 1 14 50 PULLEY 2 GROOVE 74 Y 454 W C A C 336098 1 16 85 PULLEY 75 81 Y 346290 1 13 35 PULLEY 1 GROOVE G is DIA 75 81 Y 469558 1 15 60 PULLEY 2 GROOVE 7 4 DIA 0 662 BOLT WASHER Harmonic Balancer and Crankshaft Pulley 62 68 Y 327 W SP H PER F 3815933 1 1 20 BOLT m 20 X 2 62 68 Y 327 W SP H PER F I 3739422 1 79 WASHER 65 74 Y 396 427 454 3864814 1 1 05 WASHER 69 Y 350 W H PER SP H PER 3739422 1 79 WASHER 70 81 Y 3739422 1 79 WASHER 0 666 FLYWHEEL with Ring Gear NOTE I It is necessary to use shorter G4 O L mounting bolt 3727207 with this flywheel asm 55 61 Y 8 CYL W P G 3781966 1 51 00 FLYWHEEL 2 5 gz CTR HOLE NOTE 1 55 62 Y 8 CYL EXC P G 2ND DESIGN 3986390 1 98 00 FLYWHEEL W 10 COIL AND DIAPH SPRING CLU 115 8 BOLT CIRCLE CAST 3729004 55 Y 8 CYL EXC P G 1ST DESIGN 3988759 1 114 00 FLYWHEEL 62 Y 327 W P G 3789821 1 44 25 FLYWHEEL SPOKE TYPE 6 2 DIA HOLES AROUND CTR 63 68 Y 283 327 W MT EXC H D CLU 366860 1 104 00 FLYWHEEL SOLID TYPE CAST 3791021 63 68 Y W P G EXC 396 427 3789821 1 44 25 FLYWHEEL SPOKE TYPE 6 2 DIA HOLES AROUND CTR 1 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 0 659 0 666 0 18 REV 5 81