6 CYLINDER ENGINE 0 539 BEARING Engine Camshaft Con t 80 G 231A 2ND DES 255224301 2 7 55 BEARING CM SHF 1 4 NOTE 2 80 81 X 2 8 114002534 2 14 75 BEARING CM SHF 2 3 80 81 X 2 8 14002535 1 14 75 BEARING CM SHF RR 80 81 X 2 8 140133120 1 14 25 BEARING CM SHF 1 FRT 81 A B 231A 1ST DES 1231142 1 8 25 BEARING CM SHF 4 NOTE 1 81 A B 231A 1ST DES 1234441 1 7 40 BEARING CM SHF 1 NOTE 1 81 A B 231A 2ND DES 25524301 2 7 55 BEARING CM SHF 1 4 NOTE 2 0 553 COVER PLUG Engine CamshaIIt NOTE For additional standard size plugs see Groups 8 970 8 971 in the Standard Parts Section NOTE 1 W 14 bolt oil pan NOTE 2 W 20 bolt oil pan 80 81 X 2 8 476544 1 3 00 COVER RR 76 78 ALL 231 13 63755 1 458 PLUG RR BRG 48 87 MM 76 ALL 250 3994255 1 65 PLUG RR BRG 53 48 MM 79 A 231 2 1ST DES 1363755 1 68 PLUG RR BRG 48 87 MM NOTE 1 79 A 231 2 2ND DES 25521361 1 1 05 PLUG FIR BRG 49 78 MM NOTE 2 79 80 A B H 231A 1ST DES 1363755 1 68 PLUG FIR BRG 48 87 MM NOTE 1 79 80 A B H 231A 2ND DES 25521361 1 1 05 PLUG FIR BRG 49 78 MM NOTE 2 79 F G X 231A 1363755 1 68 PLUG RR BRG 48 87 MM 79 G 231 2 1363755 1 68 PLUG RR BRG 48 87 MM 80 81 F 231A 1363755 1 68 PLUG RR BRG 48 87 MM 80 G 231A 1ST DES 1363755 1 68 PLUG RR BRG 48 87 MM NOTE 1 80 G 231A 2ND DES 25521361 1 1 05 PLUG RR BRG 49 78 MM NOTE 2 81 A B 231A 1ST DES 1363755 1 68 PLUG RR BRG 48 87 MM NOTE 1 81 A B 231A 2ND DES 25521361 1 1 5 PLUG RR BRG 49 78 MM NOTE 2 0 603 ROD Engine Piston Connecting 76 77 ALL 231C 12249433 6 40 75 ROD CONN 76 ALL 250 14050551 6 41 00 ROD CONN 77 ALL 231A 12255667 6 40 75 ROD CONN 78 79 ALL 231 11255667 6 40 75 ROD CONN 80 A 229 14053831 6 39 125 ROD CONN 80 A B F G 231A 1255667 6 40 75 ROD CONN 80 H 231A 1ST DES 1255667 6 4 0 75 ROD CONN HARMONIC BALANCER INCORPORATES A RUBBER SPACER BONDED BETWEEN A CAST IRON HUB A CAST OUTER RING 80 H 231A 2ND DES 25506520 1 40 75 ROD CONN CAST IRON HARMONIC BALANCER 1 PIECE 80 81 X 2 8 476521 6 38 25 ROD CONN 81 A B F 231A 25506520 1 40 75 ROD CONN 0 616 BEARING KI II Engine Conneuzting IRod 76 77 ALL 231 5463930 6 15 35 BEARING KIT 002 U S 76 77 ALL 231 5463931 6 11 55 BEARING KIT 001 U S 76 77 ALL 231C 5463929 6 15 35 BEARING KIT 010 U S 76 77 ALL 231C 5463932 6 N I BEARING KIT STD 76 ALL 250 463320 6 8 25 BEARING KIT 002 U S 76 ALL 250 3715044 6 9 70 BEARING KIT 010 U S 76 ALL 250 13009469 6 8 00 BEARING KIT STD 76 ALL 250 13009470 6 10 05 BEARING KIT 001 U S 77 ALL 231A 13005399 6 N II BEARING KIT STD 77 ALL 231A 13005400 6 11 80 BEARING KIT 0008 U S 77 ALL 231A 13005401 6 13 25 BEARING KIT 010 U S 78 81 ALL 231 13005399 6 N I BEARING KIT STD 78 81 ALL 231 18005400 6 11 80 BEARING KIT 0008 U S 79 81 ALL 231 13005401 6 13 25 BEARING KIT 010 U S 80 A 229 474095 6 N I BEARING KIT STD 80 A 229 474096 6 9 90 BEARING KIT 001 U S 80 A 229 474097 6 123 40 BEARING KIT 002 U S 80 A 229 474098 6 16 25 BEARING KIT 010 U S 80 A 229 474099 6 112 90 BEARING KIT 020 U S 80 81 X 2 8 13008492 6 N BEARING KIT STD 80 81 X 2 8 18008493 6 11 55 BEARING KIT 026 U S 0 623 BOLT Engine Connecting Rod Caap 76 79 ALL 231 1246266 12 2 25 BOLT CONN ROD 3 B 24 X 1 76 ALL 250 460405 12 2 10 BOLT CONN ROD 80 A 229 461372 12 1 50 BOLT CONN ROD 80 81 X 2 8 466337 12 1 55 BOLT CONN ROD 81 A B F 231A 215523432 12 1 55 BOLT CONN ROD 0 626 NUT Engine Connnecting Rod Bolt 76 ALL 250 527599 12 67 NUT az 24 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS PONTIAC 21 REV 7 87 0 2 0 539 0 626