400 ENGINE 0 002 BOLT NUT Engine Mounting 74 6 Sprint 400 334972 2 to engine brkt 76 Sprint 400 9422299 A R NUT 7 W 14 0 010 GASKET UNIT Engine or Tune Up 71 Sprint w 4BC 400 476074 1 w seal 74 6 Sprint 400 471856 1 0 027 MOUNTING U llT Engine 71 Sprint 400 3990918 2 74 6 Sprint 400 459021 2 0 029 BRACKET ASSY Engine Mounting 71 Sprint 400 3980711 L H frame L H 71 Sprint 400 3980712R H frame Fl H 74 6 Sprint 400 334970 2 0 033 BLOCK ASSEMBLY Cylinder PARTIAL ENGINE Includes Block Crankshaft Timing Gears Piston and Connecting Rods 71 Sprint W 48c 400 6272184 1 74 Sprint w 4BC 400 exc NB2 6259378 1 74 Sprint w 2BC 400 6259378 1 75 6 Sprint w 4BC 400 6259378 1 74 Sprint w 4BC 400 w NBS 464043 1 FITTED CYLINDER BLOCK Includes Pistons Pins Rings and Bearings 71 sprint w 4BC 400 3997484 1 74 6 Sprint 400 6259377 1 0 034 EXPANSIOIN PLUGS Cylinder Block 71 Sprint w 4BC 400 3743389 8 water jacket hole 1 O D cup type 71 Sprint w 4BC 400 3864810 4 cyl head water jacket hole 1 square socket 74 5 Sprint 400 838538A R water jacket hole 1 O D cup type 0 056 BOLT Cliranjkshaft Bearing Cap 71 Sprint w 4BC 400 3909834 10 3 az long x 1 W thk length 74 6 Sprint 400 3932480 A R 14 x 3 M 0 093 PLASTIGAGE Crankshaft Bearing 71 6 Sprint 400 1390274A R green package Type PG 1 12 pieces 0 095 CAP CraanI shaft Front Bearing 71 Sprint w 4BC 400 3877462 4 No 1 2 3 4 74 6 Sprint 400 3973312 1 N0 1 74 6 Sprint 400 6259412 3 No 2 3 4 4 bolt cap 0 096 BEARINIG UNIT Crankshaft Front 1 Upper and 1 Lower See Chart for model application CRANKSHAFT MAIN BEARING CHART POSITION STD 001 U S 002 U S 009 U S 010 U S 020 U S 71 Sprint w 4BC 400 All exc Rear 347014 3885378 347015 71 Sprint w 4BC 400 Flear 347019 74 6 Sprint 400 All exc Rear 3977522 3977523 3977524 3977525 3977526 3977527 74 6 Sprint 400 Flear 3977528 3977529 3977530 3977531 3977532 3977533 GM PARTS DIVISION GENERAL MOTORS CORPORATION SPRINT 57 REV 4 81 0 19 0 002 0 096