140 ENGINE ASSEMBLY 0 626 NUT Connecting Rod Bearing Cap Bolt Con t 64 67 All 283 exc Chevy 3866766 A R 22 NUT 3 B 24 x 5 S thick hex nut both ends flat Note 1 0 629 PISTON ASSY with Pin 62 67 All 283 3860407 A R 26 50 PISTON std 62 67 All 283 3860413 A R 26 50 PISTON 001 0 8 62 67 All 283 3860426 A R 28 50 PISTON 030 0 8 0 643 RING KIT Piston Service Sets 7 These are Molybdenum premium rings 2 Single cylinder replacement 62 67 All 283 326400 A Fl N L RING KIT std Note 1 2 62 67 All 283 328503 A R 10 95 RING KIT 030 0 8 Note 2 0 646 CRANKSHAFT Engine NOTE 1 When used on AT it will be necessary to remove the pilot bearing 64 67 All 283 3889303 1 265 00 CRANKSHAFT Note 1 0 649 BEARING Crankshaft Clutch Pilot 62 67 All 283 3752487 1 N L BEARING bush type lg gz D x I3 az O D x 3 4 0 659 BALANCER PULLEY HUB Crankshaft NOTE ln 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 64 65 Chevelle w 4BC forged crankshaft 283 65 Chevy w 4BC forged crank 283 65 Pass w forged crankshaft 283 65 67 All w nodular crankshaft 283 3896904 1 43 75 w o pulley hub 4 Z 0 D 66 All 4BC w forged crankshaft 283 3896903 1 43 75 BALANCER w o pulley 65 67 Pass 283 exc Air Cond A l R 3755820 1 12 90 PULLEY stamped 3755820 64 66 Chevy w Air Cond 283 66 67 Chevelle w A I R 283 exc C A C 66 67 Pass w A I R 283 exc C A C 67 Camaro 283 exc C A C 3744043 1 13 60 PULLEY double 65 B 0 D painted black stamped 3744043 64 Chevy Chevelle w P S 283 65 68 All w P S 283 3751232 1 12 90 PULLEY front stamped 3751232 64 68 Chevy Chevelle Camaro w Air Cond 283 65 68 Pass w C A C C Deluxe Air Cond 283 3850838 1 14 80 PULLEY 72 G4 0 D 66 El Camino w A l Fl 62 amp 283 66 3 w A I R 62 amp 283 exc Air Cond 3874418 1 13 60 PULLEY front 2 grooves 62 Pass 283 64 67 All w forged crankshaft 283 3795272 1 43 75 HUB pulley or balance 4 4 dia 0 662 KEY WASHER Harmonic Balancer and Crankshaft Pulley NOTE 1 Used with pulleys and hubs having a shallow 6 deep keyway only All full depth slots take standard woodruff key 706757 two short or 744542 one long in group 8 960 65 66 All w key 4 long x is wide x 4 high 3883206 A R 31 crankshaft pulley hub Note 1 65 66 All w key I3 B long x 3 is wide x gz high 3885092 1 28 KEY crankshaft pulley hub Note 1 66 67 All 283 3739422 1 79 WASHER balancer 0 666 FLYWHEEL with Ring Gear 62 67 Chevy Chevelle Camaro w P G reg fuel 283 65 67 Pass w P G 283 3789821 1 44 25 spoke type 6 2 dia holes around ctr 64 67 All 283 exc A T H D Clutch 366860 l 104 00 solid type 66 67 Pass w H D clutch 283 67 Chevelle w H D clutch 283 3988759 1 114 00 w I1 coil sprg clutch 125 B bolt circle solid type GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 0 626 0 666 0 40 REV 4 81