6 CYLINDER ENGINE 0 623 BOLT IEngine Connecting Rod Cap 82 83 B 231A 3 8 4 25531956 12 1 75 BOLT CONN ROD 0O 659 PGO 33 41 82 84 B 4 1 4 25531956 12 1 75 BOLT CONN ROD O0 659 PGO 33 41 82 83 C 4 1 4 25531956 12 1 75 BOLT CONN ROD OO 659 PGO 33 41 82 83 E 231A 3 8 25531956 12 1 75 BOLT CONN ROD OO 659 PGO 33 41 82 84 E 4 1 4 25531956 12 1 75 BOLT CONN ROD 0O 659 PGO 33 41 82 84 G 4 3V 22513931 12 2 05 BOLT CONN ROD 3 8 24X2 50 PGO 59 6 82 83 G 231A 3 8 25531956 12 1 75 BOLT CONN ROD OO 659 PGO 33 41 82 84 G 4 1 4 25531956 12 1 75 BOLT CONN ROD 0O 659 PGO 33 41 84 85 B 231A 25531956 12 1 75 BOLT CONN ROD 0O 659 PGO 33 41 84 D 4 1 4 25531956 AR 1 75 BOLT CONN ROD 0O 659 PGO 33 41 84 85 E 231 9 25531956 12 1 75 BOLT CONN ROD OO 659 PGO 33 41 84 85 G 231 9 25531956 12 1 75 BOLT CONN ROD OO 659 PGO 33 41 84 85 G 231A 25531956 12 1 75 BOLT CONN ROD OO 659 PGO 33 41 86 87 G 3 8 7 231A 25531956 12 1 75 BOLT CONN ROD 0O 659 PGO 33 41 82 85 X 2 8W X Z 466337 12 1 75 BOLT CONN ROD PGD 12 10 0 626 NUT Engine Connecting Rod Bolt 82 84 G 4 3V 395921 12 78 NUT CONN ROD BOLT 3 8 24 UNF STL PGO 59 40 82 85 X 2 8W X Z 361970 AR 77 NUT CONN ROD PGO 12 15 0 629 PIEiTOI N P STON PIN KIT Engine NOTE 1ST DIMENSION IS PISTON DIA 2ND DIMENSION IS BORE DIA IF ONLY ONE DIMENSION IS SHOWN ITIS CYL EIORE DIA NOTE 1 IDENTIFIED BY 2 MOON SHAPED CUTOFFS EOUA L SIZE FOR INT EXH VLV CLEARANCE PLUS A RECTANGULAR CUTOUT FOR FLAME SLOT SO CUT RETAINER GROOVE USE ROUND WIRE RETAINER 82 84 G 4 3V 22523360 RH 83 75 PISTON PIN KIT STD HI LIMIT 4 0540 4 0550 4 0570 4 0580 NOTE 1 PGO 59 2 82 84 G 4 3V 22523363 LH 83 75 PISTON PIN KIT O30 O S 82 84 G 4 3V 22523364 RH 83 75 PISTON PIN KIT 030 O S 82 85 B 231A 24501225 1 P S I ON W PIN 0 040 OS REI IAN 82 84 B 4 1 4 25505374 6 71 25 PISTON W PIN STD HI LII IT 3 9642 3 9660 DIA 82 84 B 4 1 4 25505375 6 71 25 PISTON W P N O10 O S 3 9742 3 9760 DIA 82 84 B 4 1 4 25505376 6 71 25 PISTON W PIN 030 O S 3 9942 3 9960 DIA 82 85 B 231A 25527178 AR 63 75 PISTON W P N STD HI L MIT 3 7992 3 8010 DIA PGO 43 4 82 83 B 231A 25527179 6 63 75 PISTON W PIN 010 O S 3 8092 3 81 10 82 83 B 231A 25527180 AR 63 75 PISTON W PIN 030 O S 3 8292 3 8310 DIA 82 83 C 4 1 4 25505374 6 71 25 PISTON W PIN STD HI LIM T 3 9642 3 9660 DIA 82 83 C 4 1 4 25505375 6 71 25 PISTON W P N O10 O S 3 9742 3 9760 DIA 82 83 C 4 1 4 25505376 6 71 25 PISTON W PIN 030 O S 3 9942 3 9960 DIA 82 E 231 3 25502381 6 69 50 PISTON W PIN STD HI LII IIIT 3 7981 3 7999 DIA 82 E 231 3 25502383 6 67 25 PISTON W PIN 030 O S 3 8281 3 8299 DIA 82 84 E 4 1 4 25505374 6 71 25 PISTON W P N STD HI L NIIT 3 9642 3 9660 DIA 82 84 E 4 1 4 25505375 6 71 25 PISTON W PIN O10 O S 3 9742 3 9760 DIA 82 84 E 4 1 4 25505376 6 71 25 PISTON W PIN 030 O S 3 9942 3 9960 DIA 82 84 G 4 3V 22523357 LH 83 75 PISTON W PIN STD 4 0525 4 0530 4 0560 4 0570 NOTE 1 PGO 75 21 82 84 G 4 3V 22523358 RH 83 75 PISTON W PIN STD 4 05Z5 4 0535 4 0560 4 0570 NOTE 1 82 85 G 4 3V 22523359 LH 83 75 PISTON W PIN STD HI LIMIT 4 0570 4 0580 NOTE 1 82 84 G 4 3V 22523361 LH 83 75 PISTON W PIN 01 O S 4 0630 4 0640 4 0665 4 0675 NOTE 1 82 84 G 4 3V 22523362 RH 83 75 PISTON W PIN O10 O S 4 0630 4 0640 4 0665 4 0675 NOTE 1 82 87 G 231A 24501225 1 PISTON W PIN 0 040 OS REMAN 82 G 231 3 25502381 6 69 50 PISTON W PIN STD HI LIMlT 3 7981 I 3 7999 DIA 1991 GENERAL MOTORS SERVICE PAIRTS OPERAT ONS BUICI 44W 6 91 0 49 0 623 0 629