8 CYLINDER ENGINE 0 626 NUT Engine Connecting Rod Bolt Con t 77 79 ALL 350L 225854 16 41 NUT 3 a 24 ALSO LISTED 7 347 2 363 80 ALL 350N i i 225854 3 41 NUT F INJ PUMP TO ADAP 80 81 ALL 35ON R 395921 16 69 NUT CONN ROD 3 8 24 80 81 ALL 4 3S 4 9T 527599 16 67 NUT CONN ROD 32 24 81 A B 260F 395921 16 69 NUT CONN ROD 81 B 307 395921 16 69 NUT CONN ROD 3 8 24 0 629 PISTON Engine NOTE 2 This part identified by two 2 moon shaped cutouts large for int vlv and small for exh vlv NOTE 3 This part identified by two 2 moon shaped cutouts equal size for int and exh vlv plus a rectangular cutout flame slot NOTE 4 Has square cut retainer use round wire NOTE 5 Has square cut retainer groove use f at retainer 76 78 ALL 260 22506654 8 45 50 PISTON W PIN STD CODE A 76 78 ALL 260 22506655 8 45 50 PISTON W PIN STD CODE C 76 78 ALL 260 22506656 8 45 50 PISTON W PIN 010 O S 3 50875 3 50975 3 5095 3 5105 NOTE 1 76 78 ALL 260 22506657 8 45 50 PISTON W PIN 030 O S 3 52875 3 52925 3 5290 3 5300 NOTE 1 76 79 ALL 400 497037 8 64 75 PISTON W PIN 030 O S 76 79 ALL 400 499053 8 50 00 PISTON W PIN STD 76 X 350 H J 1255656 8 51 25 PISTON W PIN STD HIGH LIMIT 3 7992 3 8010 DIA 77 79 ALL 301 10005635 8 48 75 PISTON W PIN STD 77 81 ALL 305 364702 8 45 00 PISTON W PIN STD 3 7358 3 7368 DIA 77 81 ALL 305 364703 8 45 00 PISTON W PIN STD HI LIMIT 3 7368 3 7378 DIA 77 81 ALL 305 364704 8 47 75 PISTON W PIN 030 O S 77 79 ALL 350L 329238 8 57 00 PISTON W PIN 030 0 S 77 79 ALL 350L 6271097 8 57 00 PISTON W PIN STD 3 9998 4 0008 DIA 77 79 ALL 350L 6271098 8 57 00 PISTON W PIN STD HI LIMIT 4 0008 4 0018 DIA 77 79 ALL 350R 22506665 8 PISTON W PIN 030 O S 77 79 ALL 350R 22506662 8 50 50 PISTON W PIN STD 4 05525 4 O5625 4 0560 4 0570 NOTE 1 77 79 ALL 350R 22506663 8 50 50 PISTON W PIN STD HI LIMIT 77 79 ALL 350R 22506664 8 50 50 PISTON W PIN 010 O S 4 06575 4 O6675 4 0665 4 0675 NOTE 1 77 ALL 403 556266 8 54 50 PISTON W PIN STD CODE B 77 ALL 403 25522581 8 26 75 PISTON W PIN STD CODE A 78 ALL 350X 1255815 8 56 00 PISTON W PIN 005 0 S 3 8042 3 8060 DIA 78 ALL 350X 1257377 8 51 25 PISTON W PIN STD HI LIMIT 3 7992 3 8010 DIA 78 ALL 350X 1259578 8 51 25 PISTON W PIN O10 0 S 3 8092 3 8110 DIA 78 ALL 35OX 1259579 8 51 25 PISTON W PIN 030 0 S 3 8290 3 8310 DIA 78 ALL 403 22510631 8 54 50 PISTON W PIN STD 4 3495 4 3505 4 3500 4 3510 NOTE 1 79 80 ALL 35OX 25527179 8 PISTON W PIN 010 O S 3 8092 3 8110 DIA 79 80 ALL 350X 25518053 8 50 50 PISTON W PIN STD HI LIMIT 3 7992 1 3 8010 DIA 79 80 ALL 350X 25527180 8 PISTON W PIN 030 0 S 3 8292 3 83 I0 DIA 79 ALL 403 22510635 8 54 50 PISTON W PIN STD 79 ALL 403 22510635 8 54 50 PISTON W PIN STD USE OLD PISTONS WITH BORE RANGE OF 0005 INCH NEW PISTON WITH BORE RANGE OF 0010 INCH 4 3495 4 3505 4 3500 4 3510 NOTE 1 79 ALL 403 22510637 8 54 50 PISTON W PIN 010 0 8 1987 GENERAL MOTORS SERVICE PARTS 0PERATIONS PONTIAC 21 0 626 0 629 0 54 REV 7 87