307 ENGINE ASSEMBLY 0 646 CRANKSHAFT 71 All 307 3941172 1 100 30 Note 1 NOTE 1 When used on A T it will be necessary to remove the pilot bearing 0 649 BEARING Crankshaft Clutch Pilot 71 All 307 3752487 1 95 bush type 9 z O D x n 0 659 BALANCER PULLEY Crankshaft NOTE In some cases double groove pulleys may be used in place of single groove pulleys NOTE Crankshaft harmonic balancer is also referred to as torsional damper 71 All 307 3947706 1 16 80 71 All 307 exc C A C P S 3956664 1 3 05 PULLEY 1 groove 71 All w P S 307 exc C A C 3956666 1 4 10 PULLEY 2 groove 71 All w C A C 307 39721 0 1 8 50 PULLEY ASSY 3 groove stamped 3972180 0 662 WASHER Harmonic Balancer and Crankshaft Pulley 71 All 307 3739422 1 35 balancer z 1 D x 1 0 D x 5 6 thk 0 666 FLYWHEEL with Ring Gear 71 All 307 exc A T 3973452 1 22 35 71 All w A T 307 3991402 1 16 30 0 669 BOLT Flywheel to Crankshaft 71 All 307 exc A T 839756 6 10 1 B 20 x 1 71 All w A T 307 3727207 6 10 e 20 x 6 s 290M steel 0 673 RING GEAR Flywheel 71 All 307 3991408 1 4 95 0 679 UNDERPAN ASSY BOLT COVER SCREW ASSY Flywheel 71 All w P G 307 3933089 1 3 05 trans converter 71 All w T H 350 307 6261091 1 3 05 trans converter 71 All 307 3817006 A R 05 BOLT w washer 20 x e 71 All 307 3788422 1 1 90 COVER clutch housing contains large 3 z dia round hole w one flat side 71 Nova Chevelle w P G 307 3924780 A R 10 SCREW ASSY w washer 18 x 0 683 HOUSING Flywheel and Clutch 71 All 307 3858403 1 23 50 clutch ident No 3840383 0 685 DOWEL Flywheel and Clutch Housing to Cylinder Block 71 All 307 3712745 2 35 zysz x 1 i 0 724 CHAIN Camshaft Timing 71 All 307 3896961 1 8 65 link type 0 728 SPROCKET Crankshaft Timing steel 71 All 307 3896959 1 3 75 18 teeth 0 736 SPROCKET Camshaft Timing 71 All 307 3896960 1 5 90 36 teeth 0 738 PIN Camshaft Sprocket 71 All 307 3836903 A R 05 x 5 e solid 0 787 ROD SWIVEL Clutch Fork Release 71 Nova Camaro 307 3840843 1 80 fork push adjusting 4 e long 71 Nova Camaro 307 3973076 1 1 30 fork push 71 Chevelle 307 9779202 1 65 fork push 71 Chevelle 307 3840845 1 1 05 SWIVEL fork push rod 0 793 WASHER Clutch Fork Push Rod 71 All 307 3756694 1 05 lever thrust 1 O D x LD pull rod lever 0 795 FORK ASSY Clutch Release 71 All 307 3892632 1 4 80 0 796 STUD BRACKET Clutch Fork 71 All 307 3729000 1 80 e 16 stud w z dia ball 71 Chevelle 307 3992305 1 35 BRACKET pull back 0 797 BOOT Clutch Fork 71 All 307 3993851 1 55