6 CYLINDER ENGINE 0 539 BEARING Engine Camshaft Front C n t 80 81 X 2 8 14002535 1 9 90 BEARING CM SHF 4 0 543 BEARING Engine Camshaft Front Intermediate 76 78 ALL 250 r 3750884 1 3 85 BEARING 0 546 r r 78 81 ALL 195 231 r 1231142 3 5 75 BEARING CM SHF FRT CTR RR CTR RR 78 79 ALL 200 r 474006 2 11 75 BEARING CM SHF 2 RR 80 81 ALL 229 474006 2 11 75 BEARING CM SHF 2 8e RR 0 546 BEARING Engine Camshaft Rear Intermediate Center 76 79 ALL 250 3750884 1 3 85 BEARING CM SHF 78 79 ALL 200 474007 1 11 80 BEARING CM SHF 3 80 81 ALL 229 474007 1 11 80 BEARING CM SHF 3 0 553 COVER PLUG Engine Camshaft Rear Bearing 80 81 X 2 8 476544 1 2 00 COVER CM SHF RR 78 79 ALL 250 3994255 1 41 PLUG CM SHF RR BRG 78 81 ALL 195 231 1363755 1 43 PLUG CM SHF RR BRG CUP 78 79 ALL 200 3997752 1 25 PLUG CM SHF RR BRG 80 81 ALL 229 3997752 1 25 PLUG CM SHF RR BRG 0 603 ROD Engine Piston NOTE I lst design rad used an engines with two piece bonded harmonic balancan 2nd design has one piece cast iron harmonic ba ancen 76 79 ALL 250 370799 6 25 00 ROD CONN 78 79 ALL 196 231 1255667 6 25 50 ROD CONN 78 79 ALL 200 461369 6 25 50 ROD CONN 80 A B F 231 1255667 6 26 50 ROD CONN 80 81 ALL 229 I 461369 6 25 50 ROD CONN 80 H 231 1ST DES 1255667 6 26 50 ROD CONN NOTE 1 80 H 231 2ND DES 25506520 6 ROD CONN NOTE 1 80 81 X 2 8 476521 6 24 85 ROD CONN 81 ALL 231 25506520 5 ROD CONN 0 616 BEARING KIT Engine Connecting Rod 76 79 ALL 250 483259 AR N L BEARING KIT STD 76 ALL 250 463319 AR 5 75 BEARING KIT 001 U S 76 79 ALL 250 463320 AR 5 75 BEARING KIT 002 U S 75 79 ALL 250 3715044 AR 6 65 BEARING KIT 010 U S 77 79 ALL 250 463319 AR 5 75 BEARING KIT 001 U S V 78 79 ALL 196 231 18005399 6 8 50 BEARING KIT STD 78 79 ALL 196 231 18005400 6 8 50 BEARING KIT 0008 U S 78 79 ALL 196 231 18005401 6 9 45 BEARING KIT 010 U S 78 79 ALL 200 474095 AR 5 90 BEARING KIT STD 78 79 ALL 200 474096 AR 7 10 BEARING KIT 001 U S 78 79 ALL 200 474097 AR 7 10 BEARING KIT 002 U S 78 79 ALL 200 474098 AR 7 10 BEARING KIT 010 U S 78 79 ALL 200 474099 AR 7 10 BEARING KIT 020 U S 80 81 ALL 229 474095 AR 5 90 BEARING KIT STD 80 81 ALL 229 474096 AR 7 10 BEARING KIT 001 U S 80 81 ALL 229 474097 AR 7 10 BEARING KIT 002 U S 80 81 ALL 229 474098 AR 7 10 BEARING KIT 010 U S 80 81 ALL 229 474099 AR 7 10 BEARING KIT 020 U S 80 81 ALL 231 18005399 6 8 50 BEARING KIT STD 80 81 ALL 231 18005400 6 8 50 BEARING KIT 0008 U S 80 81 ALL 231 18005401 6 9 45 BEARING KIT 010 U S 80 81 X 2 8 18004578 1 8 25 BEARING KIT 026 U S 80 81 X 2 8 18005224 1 8 25 BEARING KIT STD 0 623 BOLT Engine Connecting Rod Cap 76 ALL 250 334021 I2 1 00 BOLT u 24 X 1 77 79 ALL 250 460405 12 1 35 BOLT n 24 X 1 1 78 79 ALL 196 231 1246266 12 1 40 BOLT 4 78 79 ALL 200 461372 12 95 BOLT 80 81 ALL 229 461372 12 95 BOLT 80 ALL 231 124 6266 12 1 40 BOLT 80 81 X 2 8 466337 12 1 00 BOLT 81 ALL 231 25506513 AR 1 40 BOLT 1 0 626 NUT Engine Connecting Rod Bolt 76 79 ALL 250 527599 12 43 NUT u 24 78 79 ALL 200 3866786 12 22 NUT ALSO USED IN GROUPS 2 363 7 347 3 275 j 60 81 ALL 229 3866766 12 22 NUT 90 81 X 2 8 361970 12 41 NUT I Y GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 9 B0 0 29 0 539 0 626 i