ENGINE CLUTCH 0 629 PISTON KIT with Pin C0n t 74 Y 454 4 4 340207 1 48 25 PISTON KIT 001 I I S 74 Y 454 4 4 4 44 340208 1 48 25 PISTON KIT 030 U S 78 80 Y 350 W SP H PER 474190 1 50 00 PISTON KIT STD 4 78 80 Y 350 W SP H PER 474191 1 50 00 PISTON KIT 001 U S E 78 80 Y 350 W SP H PER 474192 1 50 00 PISTON KIT 030 U S 80 Y 305 364702 1 28 00 PISTON KIT STD 80 Y 305 364 703 1 28 00 PISTON KIT 001 U S 80 Y 305 354704 1 29 25 PISTON KIT 030 U 5 0 636 PIN Piston 53 55 Y 6 CYL 5116189 3 PIN STD S u LONG 0 639 RETAINER Piston Pin 67 69 Y 427 W H D AL CYL AND CASE 3942423 16 1 00 RETAINER 69 Y 350 W 4 SPD SP H PER 3946848 16 37 RETAINER 0 643 RING KIT Piston Service Sets NOTE 1 These are Molybdenum premium rings NOTE 2 Individual Cylinder Replacement Uni Onltn NOTE 3 Cromflex Fling Set having chrome plated oil rings top compression ring and chrome plated rail for middle compression ring 53 63 Y 235 3899496 1 64 50 RING KIT STD NOTE 1 57 58 Y EXC F I W H L AM J 328503 1 9 75 RING KIT 030 0 5 NOTE 2 I 57 61 Y 283 326400 1 N L RING KIT STD NOTE 3 57 61 Y W F H L CAM 328503 1 9 75 RING KIT 030 0 S NOTE Z 1 59 61 Y EXC H L CAM 328503 1 9 75 RING KIT 030 0 5 NOTE 2 59 61 Y W DUAL 4BC H L CAM 328503 1 9 75 RING KIT 030 0 5 NOTE 2 I 62 67 Y 327 328506 1 N L RING KIT STD NOTE 2 62 67 Y 327 328516 1 10 65 RING KIT 030 0 5 NOTE Z 65 Y 396 W SP H PER 328521 1 10 60 RING KIT STD NOTE 2 65 Y 395 W SP H PER 328526 1 N L RING KIT 030 0 5 NOTE 2 66 69 Y 427 EXC H D ALUM CYL AND CASE 328536 1 10 55 RING KIT STD NOTE 2 66 69 Y 427 EXC H D ALUM CYL AND CASE 328541 1 10 55 RING KIT 030 0 S 67 68 Y 427 W H D 3993828 1 N L RING KIT STD 67 68 Y 427 W H D 3993830 1 N L RING KIT 030 O S 67 68 Y 427 W H D 3993831 1 N L RING KIT 060 0 5 68 80 Y 327 350 328506 1 N L RING KIT STD NOTE 2 68 80 Y 327 350 328516 1 10 65 RING KIT 030 0 5 NOTE 2 S9 Y 427 W H D ALUM CYL AND CASE 3993828 1 N L RING KIT STD 69 Y 427 W H D ALUM CYL 1 AND CASE 3993830 1 N L RING KIT 030 0 8 70 72 Y 454 EXC H D 328536 1 10 55 RING KIT STD NOTE 2 7 L72 Y 454 EXC H D 328541 1 10 65 RING KIT 030 0 5 73 74 Y 454 328536 1 10 55 RING KIT STD NOTE 2 73 74 Y 454 328541 1 10 65 RING KIT 030 0 S 80 Y 305 370409 1 N L RING KIT STD NOTE 2 80 Y 305 370419 1 9 80 RING KIT 030 0 5 NOTE 2 0 646 CRANKSHAET Engine v i NOTE 1 When used on AT It will be necessary to remove the pilot bearing NOTE 2 Some early 1968 327 models use 1967 engines built to 1958 spec Refer to Note 2 in Group 0 033 NOTE 3 With standard size crankshaft main bearing journals as follows position 1 2 3 4 2 299 inch dia and rear position 5 2 430 inch die NOTE 4 With standard size crankshaft main bearing journals as follows p0sition 1 2 3 4 2 449 inch dia and rear position 5 2 448 inch dia NOTE 5 Must be used with Piston and Pin Asm 3942541 or 3942542 cr 3942543 57 61 Y 8 CYL 3889303 1 237 00 CRANKSHAFT NOTE 1 62 67 Y 327 EXC SF H PER F I 3889304 1 237 00 CFIANKSHAFT IDENT NO 3782680 NOTE 1 3 1 82 67 Y 327 W SP H PER F I 3838495 1 286 00 CRANKSHAFT IDENT NO 2680 NOTE 3 64 68 Y 327 3941172 1 237 00 CRANKSHAFT NOTE 4 64 68 Y 327 W SP H PER 3914681 1 286 00 CRANKSHAFT NOTE 4 65 Y 396 I 3882841 1 310 00 CRANKSHAFT NOTE 1 66 68 Y 427 EXC SP H PER H D 3882849 1 274 00 CRANKSHAFT NOTE 1 66 69 Y 427 W SP H PER 3882842 1 310 00 CRANKSHAFT 67 Y 427 W H D 3879621 1 310 00 CFIANKSHAFT 68 Y 327 EXC SP H PER 3930809 1 237 00 CRANKSHAFT NOTE 1 2 Z 68 69 Y 427 W H D I 3967811 1 352 00 CRANKSHAFT NOTE 1 x 69 80 Y 350 EXC H PER SP H PER 3932444 1 237 00 CRANKSHAFT NOTE 1 i GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 14 0 629 0 646 0 18 REV 5 80