6 CYLINDER ENGINE 0 643 RING KIT Engine Piston C0n t 80 81 ALL 4 1 4 25505384 AR 12 95 RING KIT 030 O S 80 81 X 2 8 1ST DES 14009637 AR 10 90 RING KIT STD 2 0 MM UPR COMP RING GROOVE 80 81 X 2 8 1ST DES 14009638 AR 10 90 RING KIT 0 5 MM O S 2 0 MM UPR COMP RING GROOVE 80 81 X 2 8 1ST DES 14009639 AR 10 90 RING KIT 1 0 MM 0 S 2 0 MM UPR COMP RING GROOVE 810 X 2 8X 2ND DES 14037938 AR 10 90 RING KIT STD 1 5 MM UPR COMPT RING GROOVE 81 X 2 8X 2ND DES 14037939 AR 10 90 RING KIT 05 MM 0 S 1 5 MM UPR COMP RING GROOVE 81 X 2 8X 2ND DES 14037940 AR 10 90 RING KIT 1 0 MM O S 1 5 MM UPR COMP RING GROOVE 0 646 CRANKSHAFT Engine I NOTE When crankshafts with BA 16 tapped holes for harmonic ba ancers are substituted for crankshafts with 18 tapped ho es use 271629 bolts and 1 199944 washers 76 ALL 231 W A T 1255646 1 252 00 CRANKSHAFT 76 ALL 231 W M T 1255647 1 252 00 CRANKSHAFT 77 79 ALL 196 231A 2 1260877 1 252 00 CRANKSHAFT 77 ALL 231C W A T 1255646 1 252 00 CRANKSHAFT 77 ALL 231C W IVI T 1255647 1 252 00 CRANKSHAFT 78 ALL 231G 3 1259122 1 265 00 CRANKSHAFT 79 81 ALL 231 3 1260873 1 265 00 CRANKSHAFT 80 81 ALL 231A 4 1 1260877 1 252 00 CRANKSHAFT I 80 81 X 2 8 476504 1 248 00 CRANKSHAFT 0 648 SLINGER Engine Crankshaft 76 79 ALL 196 231 1193967 1 44 SLINGER OIL 80 81 ALL 231 4 1 1193967 1 44 SLINGER OIL 0 649 BEARING Engine Crankshaft Clutch Pilot 76 79 ALL 196 231 3752487 1 N L BEARING 80 81 ALL 231 3752487 1 N L BEARING 0 659 BOLT DAIVIPER PULLEY Engine Crankshaft 80 X 2 8 14001828 1 94 BOLT TORSIONAL DAMPER 76 77 ALL 231C 1254809 1 30 25 DAMPER TORSIONAL 77 ALL 231A 1257126 1 30 50 DAMPER TORSIONAL 78 ALL 196 1258589 1 31 25 DAMPER TORSIONAL 78 ALL 231 1257126 1 30 50 DAMPER TORSIONAL 79 ALL 196 25501702 1 31 25 DAMPER TORSIONAL 79 80 ALL 231 3 25501860 1 31 25 DAMPER TORSIONAL 79 ALL 231A 2 25501700 1 31 25 DAMPER TORSIONAL E 80 A B C 231A 4 1 25503832 1 31 25 DAMPER TORSIONAL 80 H 231A IST DES 25503832 1 31 25 DAMPER TORSIONAL TWO PIECE CAST IRON 80 H 231A 2ND DES 25506570 1 31 25 DAMPER TORSIONAL ONE PIECE CAST IRON 80 X 2 8 477234 1 31 25 DAMPER TORSIONAL 81 ALL 231 3 25506571 1 31 25 DAMPER TORSIONAL 81 ALL 231A 25506570 1 31 25 DAMPER TORSIONAL 81 ALL 4 3S 527383 1 43 75 DAMPER TORSIONAL 81 B C E 4 1 25508994 1 31 25 DAMPER TORSIONAL 81 X 2 8 14024247 1 31 25 DAMPER TORSIONAL 76 77 A B 231 W A I R EXC A C H D C 1235798 1 9 85 PULLEY 2 GROOVE 59 Is DIA X 2 76 78 A B X 231 W A C 1235821 1 19 50 PULLEY 3 GROOVE 2 OTR GROOVES W 6 4 DIA 1 INR GROOVE W 5 Is DIA 76 78 H X 231 W A C EXC P S A R 1249742 1 17 85 PULLEY 3 GROOVE 63 4 DIA IST GRV 5 2 DIA 2 3RD GROOVE 63 4 DIA 77 78 A B X W P S 231 EXC A C A I R 1256531 1 15 20 PULLEY 2 GROOVE 57 a DIA X 3 77 78 X 231 EXC A C P S H D C 1235798 1 9 85 PULLEY 2 GROOVE 5 is DIA X 2 78 A 196 231A W P S EXC A C 1249742 1 17 85 PULLEY 3 GROOVE 63 4 DIA 1ST GRV 5 2 DIA 2 3 RD GRV 63 4 DIA 78 A 231 W A I R P S EXC A C 1235798 1 9 85 PULLEY 2 GROOVE 59 Is DIA X 2 78 A B 196 231A W P S EXC A R A C 1256531 1 15 20 PULLEY 2 GROOVE 57 B DIA X 3 78 B 231 W A I R EXC A C 1235798 1 9 85 PULLEY 2 GROOVE 59 16 I DIA X 2 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUICK 41 0 643 0 659 0 18 REV 5 81