56 57 PASS w dual 4BC 56 57 CORV 56 57 Ser 6 8 cyl 002 undersize alum M 400 3715046T 8 2 12 53 PASS CORV w P G 54 57 ALL CORV 6 cyl 010 undersize 3704859 6 1 80 55 57 PASS 8 cyl exc dual 4BC 55 CORV 8 cyl 55 57 COMM UTIL w 265 010 undersize 3715044 8 1 80 56 57 PASS w dual 4BC 56 57 CORV 56 57 Ser 6 8 cyl 010 undersize alum M 400 3715048T 8 2 24 55 57 PASS 8 cyl exc dual 4BC 55 CORV 8 cyl 55 57 COMM UTIL w 265 020 undersize 3715043 8 1 80 53 PASS CORV w P G 54 57 ALL CORV 6 cyl 020 undersize 3704860 6 1 80 56 57 PASS w dual 4BC 56 57 CORV 56 57 Ser 6 8 cyl 020 undersize alum M 400 3715047T 8 2 24 YNOTE Also used on 1956 Ser 4 w H D 8 cyl engine NOTE Not used on 1956 Ser 4 w H D 8 cyl engine 0 619 SHIM UNIT Connecting Rod Bearing 29 52 ALL 53 ALL exc P G consists ot 2 008 shims 3692517 A R 25 0 623 BOLT Connecting Rod Bearing Cup 33 52 ALL 53 ALL exc P G 24 x 2 not drld 3835449 12 30 53 PASS CORV w P G V 54 55 ALL CORV 6 cyl 24 x 2 4 knurled 3701531 12 30 55 57 ALL CORV 8 cyl 24 x 1 3703530 16 25 53 55 ALL CORV 6 cyl 56 57 ALL 6 cyl 24 x 2 3836670 12 30 NOTE Used with connecting rods with recessed shoulder for wing type bolt head 0 626 NUT Connecting Rod Bearing Cup Bolt Used with bolts having cotter pin holes 24 sltd 838283 12 0 002 Used with bolts not requiring cotter pins 24 839103 12 06 55 57 ALL CORV 8 cyl 24 3703531 16 05 0 629 PISTON ASSEMBLY with Pin ENGINE DISPLACEMENT BASIC SIZE SERVICE PISTON DIAMETER RANGE LIMITS 216 cu in 3 5000 STD S 3 3 4995 to 3 5000 S 4 3 5000 to 3 5005 CAST 216 cu in 3 5010 001 S 5 3 5005 to 3 5010 S 6 3 5010 to 3 5015 IRON 235 cu in 3 S625 STD S 3 3 5620 to 3 5625 S 4 3 5625 to 3 5630 235 cu in 3 5635 001 S 5 3 5630 to 3 5635 S 6 3 5635 to 3 5640 235 cu in 3 S625 STD S 4 3 5625 to 3 5630 S 5 3 5630 to 3 5635 235 cu in 3 5635 001 S 6 3 5635 to 3 5640 S 7 3 5640 to 3 5645 ALUMI 4 261 cu in 3 7500 STD S 4 3 7500 to 3 7505 S 5 3 7505 to 3 7510 NUM 261 cu in 7510 001 S 6 3 7510 to 3 7515 S 7 3 7515 to 3 7520 265 cu in 3 7500 STD S 4 3 7500 to 3 7505 S 5 3 7505 to 3 7510 i 265 cu in 3 7510 0O1 S 6 3 7510 to 3 7515 S 7 3 7515 to 3 7520 283 cu in 3 8750 STD S 4 3 875 to 3 8755 S 5 3 8755 to 3 8760 283 cu in 8760 001 S 6 3 8760 to 3 8765 S 5 3 8765 to 3 8770 Std 001 O S 020 O S 030 O S 040 O S 37 40 ALL 602806 602809 6 5 45 41 52 PASS w 216 605260 3699254 605263 605280 605281 6 5 75 41 52 COMM UTIL w 216 53 ALL w 216 605276 3699255 605279 605280 605281 6 5 75 41 52 ALL w 235 53 ALL w 235 exc P G 3693984 3699256 3693994 3693995 3693996 6 5 75 53 PASS CORV w P G aluminum 3703846 6 6 30 53 PASS CORV w P G aluminum 3704535 3704536 6 6 50 53 55 CORV 6 cyl 54 57 ALL w 235 3707453 3707473 6 6 30 0 616 0 629 144