153 ENGINE ASSEMBLY 3 0 643 RING UNIT Piston Service Sets N0 TE See Dealer Price Schedule for applicable pr ces Original Equipment Type STD 030 0 8 69 70 AII 153 3264000 3285030 I 62 69 All 153 3264000 328503 1 Special Replacement Type V STD 030 0 6 62 70 AII 153 326400 3285030 9 These ere Molybdenum premium rings 9 This part is eligible for wholesale compensauan 9 2 3 of this unit is required on 4 cyl engines 1 Cromflex Hing Set having chrome plated oil rings top compression r hg and chrome plated rail for middle compression ring 9 These H ng Un ts contein V compression rings 9 Only half of the components in tn e unit ere required for 4 cyl models 0 646 CRANKSHAFT 62 70 AII 153 o 5743124 1 122 00 V 0 649 BEARING Crankshaft Clutch Pilot 62 70 All 153 3752487 1 1 30 bush type u D X 1 u 0 D X 4 0 659 PULLEY HUB Crankshaft NOTE ln some cases double groove pulleys may be used in place of single grvoove pulleys NOTE Crankshaft harmonic be ancer is elec referred to as torslonel demper 52 70 All 153 3793717 1 10 15 stamped 3793717 62 63 All 153 w C A C P S 63 66 All 153 w 62 amp A C Gan 64 65 All 153 w C Deluxe Air Cond 68 70 AII 153 3790327 1 10 15 front stamped 3790327 65 70 Chevy 153 5743323 I 29 25 HU crankshaft pulley 0 662 KEY SCREW WASHER Harmonic Balancer and Crankshaft Pulley 65 66 All w ksy long X i wide X r high 3883206A R 18 crankshaft pulley hub Note I 65 66 A I w key 1 I long X wide X u high 3865092 I 18 crankshaft pulley hub Nota 1 NOTE 1 Used with pulleys and hubs having e shallow deep keywey only A I full depth slots take standard Woodruff key 106751 two short or 144542 one long in Group 6 950 62 70 All 153 3793101 1 I4 SCREW w lockwasher 24 X M 62 70 All 153 3793100 2 13 SCREW w Iockwashar 0 24 X ss 6569 AII I53 3739422 1 51 WASHER halancsr 0 666 FLYWHEEL with Ring Gear i 62 70 All 153 exc H D Clutch A T 6270045 1 65 50 solid type 62 69 All w H D Clutch 153 3973452 1 65 50 solld type cast 3791021 62 70 All w A T 153 3789621 1 29 50 0 669 BOLT Flywheel to Crankshaft 62 70 All 153 exc A T 639756 6 14 n 20 X 1 62 70 All w A T 153 3727207 6 42 n 20 X 4 290M steel 0 673 GEAR Flywheel Ring 62 70 All 153 3991408 1 7 05 0 679 UNDERPAN BOLT COVER SCREW ASSY Flywheel 69 All w P G 153 3799 49 1 4 60 transmission convener All All 153 3817006A R 14 BOLT w washer 20 X Is 62 70 All 153 exc A T 354497 1 2 95 COVER clutch housing repl 3788422 62 70 All w P G Torque Drive 153 3924790A R 19 SCREW ASSY w washer u 18 X 0 683 HOUSING Flywheel and Clutch 4 62 63 All 153 3766391 1 38 00 clutch ident No 3788383 64 67 All 153 3649307 1 34 50 clutch iden No 3849309 69 70 AII 153 3658403 1 33 75 HOUSING ASSY clutch ident Ne 3840383 Note 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 1I 1 REV 4 77 0 15 0 643 0 683