ENG NE CLUTCH 0 629 PISTON KIT with Pin Con t 71 Y 454 W SP H PER 6262977 1 PISTON KIT 001 U S 71 Y 454 W SP H PER 6262979 I 98 75 PISTON KIT 030 U S 72 Y 350 EXC SP H PER 3991488 1 38 25 PISTON KIT STD 72 Y 350 EXC SP H PER 3991489 1 34 75 PISTON KIT 001 U S 72 Y 350 EXC SP H PER 3991491 1 34 75 PISTON KIT 030 U S 72 Y 454 EXC SP H PER 353058 1 54 25 PISTON KIT STD 72 Y 454 EXC SP H PER 353059 1 54 25 PISTON KIT 001 U S 72 Y 454 EXC SP H PER 353061 1 PISTON KIT 030 U S 73 80 Y 350 EXC SP H PER 329238 1 39 25 PISTON KIT 030 U S 73 80 Y 350 EXC SP H PER 6271097 1 39 25 PISTON KIT STD 73 80 Y 350 EXC SP H PER 6271098 1 39 25 PISTON KIT 001 U S 73 Y 454 353058 1 54 25 PISTON KIT STD 73 Y 454 353059 1 54 25 PISTON KIT 001 U S 73 Y 454 353061 1 54 25 PISTON KIT 030 U S 74 77 Y 350 W SP H PER 336754 1 54 25 PISTON KIT STD 74 Y 454 340206 1 54 25 PISTON KIT STD 74 Y 454 340207 1 54 25 PISTON KIT 001 U S 74 Y 454 340208 1 54 25 PISTON KIT 030 U S 78 80 Y 350 W SP H PER 474190 1 56 00 PISTON KIT STD 78 80 Y 350 W SP H PER 474191 1 56 00 PISTON KIT 001 U S 78 80 Y 350 W SP H PER 474192 1 56 00 PISTON KIT 030 U S 80 Y 305 364702 1 31 25 PISTON KIT STD 80 Y 305 364703 1 31 25 PISTON KIT 001 U S 80 Y 305 364704 1 32 75 PISTON KIT 030 U S 81 Y 350 329238 1 39 25 PISTON KIT 030 U S 81 Y 350 6271097 1 39 25 PISTON KIT STD 81 Y 350 6271098 1 39 25 PISTON KIT 001 U S 0 639 RETAINER Piston Pin 67 69 Y 427 W H D AL CYL AND CASE 3942423 16 1 15 RETAINER 69 Y 350 W 4 SPD SP H PER 3946848 16 41 RETAINER 0 643 RING KIT Piston Service Sets NOTE 1 These are Molybdenum premium rings NOTE 2 Individual Cylinder Replacement Unit Only NOTE 3 Cromflex Ring Set having chrome plated oil rings top compression ring and chrome plated rail for middle compression ring 53 63 Y 235 3899496 1 72 25 RING KIT STD NOTE 1 57 58 Y EXC F I W H L CAM 328503 1 10 95 RING KIT 030 O S NOTE 2 57 61 Y 283 326400 1 N L RING KIT STD NOTE 3 57 61 Y W F I H L CAM 328503 1 10 95 RING KIT 030 O S NOTE 2 59 61 Y EXC H L CAM 328503 1 10 95 RING KIT 030 O S NOTE 2 59 61 Y W DUAL 4BC H L CAM 328503 1 10 95 RING KIT 030 O S NOTE 2 62 67 Y 327 328506 1 N L RING KIT STD NOTE 2 62 67 Y 327 328516 1 11 95 RING KIT 030 0 S NOTE 2 65 Y 396 W SP H PER 328521 1 11 85 RING KIT STD NOTE 2 65 Y 396 W SP H PER 328526 1 N L RING KIT 030 O S NOTE 2 66 69 Y 427 EXC H D ALUM CYL AND CASE 328541 1 11 95 RING KIT 030 O S 66 69 Y 427 EXC H D ALUM CYL AND CASE 475987 1 N L RING KIT STD NOTE 2 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 0 S 67 68 Y 427 W H D 3993831 1 N L RING KIT 060 O S 68 81 Y 327 350 328506 1 N L RING KIT STD NOTE 2 68 81 Y 327 350 328516 1 11 95 RING KIT 030 O S NOTE 2 69 Y 427 W H D ALUM CYL AND CASE 3993828 1 N L RING KIT STD 69 Y 427 W H D ALUM CYL AND CASE 3993830 1 N L RING KIT 030 O S 70 72 Y 454 EXC H D 328541 1 11 95 RING KIT 030 O S 70 72 Y 454 EXC H D 475987 1 N L RING KIT STD NOTE 2 73 74 Y 454 328541 1 11 95 RING KIT 030 O S 73 74 Y 454 475987 1 N L RING KIT STD NOTE 2 80 Y 305 370409 1 N L RING KIT STD NOTE 2 80 Y 305 370419 1 11 00 RING KIT 030 O S NOTE 2 0 646 CRANKSHAFT Engine NOTE 1 When used on A T it will be necessary to remove the pilot bearing NOTE 2 Some early 1968 327 models use 1967 engines built to 1968 spec Refer to Note 2 in Group 0 033 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 0 629 0 646 0 16 REV 5 81