ENGINE CLUTCH 0 207 GASKET Crankcese Front End Cover Con t 65 68 Y 396 427 3860096 1 53 GASKET 10 HOLES 4 4 4 69 74 Y 427 454 3935449 1 61 GASKET 4 44 0 213 SEAL Crenkcase Front End Cover 53 74 Y EXC 396 427 454 3980267 1 3 50 SEAL 2 ir 0 D 65 74 Y 396 427 454 3860095 1 3 35 SEAL 3 0 0 75 80 Y 3980267 1 3 50 SEAL 27 u 0 0 0 219 POINTER Timing 65 69 Y 396 427 3992073 1 67 POINTER 69 78 Y 350 EXC SP H PER 39914 35 1 80 POINTER 69 78 Y 350 W SP H PER 3991436 1 80 POINTER 71 76 Y 454 3992073 1 67 POINTER 0 269 HEAD Cylinder NOTE 11 838539 Seat must be used on jobs w 0 hydraulic valve lifters NOTE 2 When used on 1953 Corvette valve rocker cover 3835242 and gasket 3708645 or 3708648 must be used Install 2 94 7 1925 valve rocker cover shaft support bolts NOTE 3 Part No 838539 is not required if replaced head has spring seats which can be trensferred NOTE 4 When using 3817580 on 1957 1958 models it will also be necessary to use cyl head gasket 383071 1 NOTE 51 When using on models prior to 1958 use pipe plug 444667 or 444746 to plug weter temp switch hole NOTE Q 367125 and 5260855 Ident by 2 half round scallops at lower edge 464036 and 484045 ldent by entire lower edge scalloped around cyl hd bolts M NOTE 7 When using 464045 in plc of 369125 measure from top of guide to valve spring seen lf dimension is 75 use 6263795 velve spring dampen if dimension is 84 use 391 1058 valve spring damper NOTE 8 When using 454036 in plc of 6280856 measure from top of guide to valve spring seen lf dimension is 75 use 5253795 vlv spring dampen if dimension is 84 use 391 1068 vlv spring damper 53 55 Y 235 3836954 1 164 00 HEAD W VLV GDE IDENT N0 3836848 NOTE 1 2 3 56 60 Y 3817680 2 150 00 HEAD RH AND LH IDENT N0 3795896 NOTE 4 61 Y EXC FJ 3817680 2 150 00 HEAD RH AND LH IDENT NO 3795896 NOTE 4 61 Y W F 3958603 2 143 00 HEAD W STUDS 62 64 Y 327 EXC H PER F SP H PER 3817680 2 150 00 HEAD RH AND LH IDENT N0 3795896 NOTE 4 62 63 Y 327 W H PEH SP H PER F 3958603 2 143 00 HEAD W STUDS 64 Y 327 W H PER 3958603 2 143 00 HEAD W STUDS 64 6B Y 327 W SP H PER F 3987376 2 160 00 HEAD W GDE AND STUDS 65 68 Y 327 EXC SP H PER F l 3958603 2 143 00 HEAD W STUDS 65 69 Y 396 427 W SP H PER 3919839 2 189 00 HEAD W VLV GDE CAST IRON HEAD NOTE 5 65 69 Y 396 427 EXC SP H PER V H D AL CYL AND CASE 3931062 2 168 00 HEAD WNLV GDE NOTE 5 67 69 Y 427 W H D SP H PER 3919838 2 482 00 HEAD W VLV GDE ALUM HEAD 69 70 Y 350 EXC H PER SP H PER 3958603 2 143 00 HEAD W STUDS 69 Y 350 W H PER 3987376 2 160 00 HEAD W GOE AND STUDS 69 Y 427 W H D AL CYL AND V CASE 3946072 2 482 00 HEAD W VLV GDE 70 Y 350 VV H PER SP H PER 3987376 2 160 00 HEAD W GDE AND STUD5 70 Y 454 EXC H D 3964286 Z 194 00 HEAD W GDE AND CYL VLV 70 71 Y 454 W H D SP H PER 3981070 1 522 00 HEAD W VLV GDE ALUM HEAD 71 77 Y 350 EXC SP H PER 6260856 2 HEAD W STUD NOTE 6 8 71 79 Y 350 W SP H PER 464045 2 168 00 HEAD W STUDS AND GDE NOTE 6 7 71 72 Y 454 EXC SP H PER 3999240 2 194 00 HEAD W VLV GDE 71 Y 454 W SP H PER 6260482 2 205 00 HEAD W VLV GDE 73 Y 454 353047 2 194 00 HEAD W GDE 74 Y 454 352625 Z 194 00 HEAD W GDE 78 80 Y 350 EXC SF H PER 464036 2 166 00 HEAD W STUD NOTE 6 8 80 Y 305 14019928 2 133 00 HEAD CYL 80 Y 350 464036 2 166 00 HEAD W STUD NDTE 6 8 B0 Y 350 W SP H PER 14022206 2 168 00 HEAD CYL 0 283 GUIDE Intake and Exhaust Valve Stem NOTE 1 To obtain proper valve stem cleerance guides mus be finished with 343 hand reamer after installation in cylinder head 53 55 Y 6 CYL 3688761 6 2 05 GUIDE EXH 2 M LENGTH STRAIGHT SIDES NOTE 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 14 0 207 0 283 0 s REV 5 80