400 ENGINE 0 546 BEARING Camshaft Center and Rear Intermediate Con t 74 6 Sprint 400 3723586 2 0 549 BEARING Camshaft Rear 71 Sprint w 4BC 400 3967810 1 stamped 2 0 543 74 6 Sprint 400 3723585 1 0 543 0 553 PLUG Camshaft Bearing Hole in cylinder block 71 Sprint w 4BC 400 3859926 1 rear brg 74 6 Sprint 400 3997752 1 rear brg 0 603 ROD ASSEMBLY Connecting 71 Sprint w 4BC 400 3933174 8 74 Sprint 400 361933 8 76 Sprint 400 361933 8 0 616 BEARING UNIT Connecting Rod CONNECTING ROD BEARING UNIT CHART STD 001 U S 002 U S 010 U S 020 U S 71 Sprint w 4BC 400 347003 3876093 347006 74 6 Sprint 400 3910555 3910556 3910557 3910558 3910559 0 623 BOLT Connecting Rod Bearing Cap 71 Sprint w 4BC 400 3862720 16 B 24 x 2 s knurled shank 74 6 Sprint 400 3951631 B 24 x 1 az knurled shank 0 626 NUT Connecting Rod Bearing Cap Bolt 71 6 Sprint 400 839103A R B 24 x 3 E thick hex head 0 629 PISTON ASSEMBLY with Pin Refer to Piston Chart for model application PISTON CHART STD 001 O S 010 0 S 020 0 S 030 O S 71 Sprint w 4BC 400 L H 3993861 3993867 71 Sprint w 4BC 400 R H 3993862 3993868 74 6 Sprint 400 329245 329246 329248 0 643 RING UNIT Piston Service Sets Original Equipment Type complete set for one cylinder per container STD 020 O S 030 O S 71 Sprint 400 8885199 8885201 74 6 Sprint 400 328526 328531 0 646 CRANKSHAFT NOTE 1 When used on AT it will be necessary to remove the pilot bearing 71 Sprint w 4BC 400 3882841 1 Note 1 74 6 Sprint 400 3951527 1 Note 1 0 649 BEARING Crankshaft Clutch Pilot 71 6 Sprint 400 3752487 1 bush type gz O D x 0 659 BALANCER PULLEY Crankshaft NOTE Crankshaft harmonic balancer is also referred to as torsional damper 71 Sprint w 4BC 400 3860008 1 74 6 Sprint 400 6272225 1 71 Sprint w Air Cond 4BC 400 3937787 1 PULLEY 3 groove GM PARTS DIVISION GENERAL MOTORS CORPORATION SPRINT 57 0 546 0 659 0 22 REV 4 81