I 400 ENGINE ASSEMBLY 0 616 BEARING KIT Connecting Rod 1 Upper and 1 Lower Con t 70 71 All 400 w 4BC 347002 A R N L BEARING KIT std r 70 71 All 400 w 4BC 3876092 A R BEARING KIT 001 U S 70 71 All 400 w 4BC 347004 A R 8 75 BEARING KIT 002 U S 70 71 All 400 w 4BC 347005 A R 9 40 BEARING KIT 010 U S 70 71 All 400 w 4BC 347006 A R 12 90 BEARING KIT 020 U S 70 72 All 400 w 2BC 3910555 A R N L BEARING KIT std note 1 70 72 All 400 w 2BC 3910556 A R 5 95 BEARING KIT 001 U S Note 1 70 72 All 400 w 2BC 3910557 A R 6 00 BEARING KIT 002 U S Note 1 70 72 All 400 w 2BC 3910558 A R 7 20 BEARING KIT 010 U S Note 1 70 72 All 400 w 2BC 3910559 A R 7 20 BEARING KIT 020 U S Note 1 73 75 All 400 3910556 5 95 BEARING KIT 001 U S Note 1 73 75 All 400 3910557 6 00 BEARING KIT 002 U S Note 1 73 75 All 400 3910558 7 20 BEARING KIT 010 U S Note 1 73 75 All 400 3910559 7 20 BEARING KIT 020 U S Note 1 0 623 BOLT Connecting Rod Bearing Cap 70 71 All w 4BC 400 3862720 16 1 05 B 24 x 2 Z knurled shank 70 72 All w 2BC 400 73 75 All 400 3951631 16 1 05 BOLT 24 x 1 gz knurled shank 0 626 NUT Connecting Rod Bearing Cap Bolt NOTE I Also used with bolts not requiring cotter pins 70 75 All 400 3866766 A R 22 NUT E 24 x B thick hex nut both ends flat Note 1 0 629 PISTON ASSY with Pin NOTE 1 These parts are used on models built with 2nd design 400 C D engine assys These engines can be identified by the letter C preceding the existing suffix identification letters 70 All 400 w 4BC 3969981 A Fl 50 50 PISTON L H std Note 1 70 All 400 w 4BC 3969987 A R 47 00 PISTON L H 030 0 S Note 1 70 All 400 w 4BC 3969982 A R 47 00 PISTON R H std Note 1 70 All 400 w 4BC 3969988 A R 47 00 PISTON R H 030 0 S Note 1 70 All 400 w 2BC 3972160 A R 51 50 PISTON std 70 All 400 w 2BC 3972166 A R 47 00 PISTON 030 0 5 71 72 All 400 w 2BC 3991457 A R 46 25 PISTON std 71 72 All 400 w 2BC 3991458 A R 46 25 PISTON std hi limit 71 72 All 400 w 2BC 3991460 A R 44 00 PISTON 030 0 S 71 All 400 w 4BC 3993861 A R 46 25 PISTON L H std 71 All 400 w 4BC 3993862 A R 46 25 PISTON R H std T 73 75 All 400 329245 A R 50 25 PISTON std 73 75 All 400 329246 A R 49 50 PISTON std hi limit 0 643 RING KIT Piston Service Sets All engines with a 400 cubic inch designation contain a 4 bore size 2 One cylinder replacement only 70 75 All 400 328526 A R N L RING KIT std Note 1 2 70 75 All 400 328531 A R 12 65 RING KIT 030 0 S Note 2 0 646 CRANKSHAFT Engine NOTE 1 When used on AT it will be necessary to remove the pi ot bearing 70 71 All w 4BC 400 3882841 1 347 00 Note 1 70 72 All w 2BC 400 73 75 All 400 3951527 1 286 00 CRANKSHAFT Note 1 0 649 BEARING Crankshaft Clutch Pilot 70 74 All 400 3752487 1 N L BEARING bush type az l D x 1 az O D x 0 659 BALANCER DAMPER PULLEY Crankshaft NOTE ln some cases double groove pulleys may be used in place of single groove pu eys NOTE Crankshaft harmonic balancer is also referred to as torsional damper 70 72 All w 4BC 400 3860008 1 73 75 BALANCER w o pulley 7 ia 0 D 70 72 All w 2BC 400 73 75 All 400 6272225 1 43 75 DAMPER stamped 9510 70 All w 4BC 400 70 All w Acc Air Cond 400 71 Pass Chevelle w Air Cond 4BC 400 3937787 1 21 35 PULLEY 3 groove Note 1 71 72 All w 2BC 400 exc C A C 73 75 All 400 exc C A C 63 amp Taxi Police 3956666 1 15 20 PULLEY 2 groove GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 0 616 0 659 0 sa REV 4 81