61 Corvette w E I 62 64 Pass w 1 1 Per 1327 62 63 Corvette vv l l Per Sp H Per Fl 1327 64 Corvette vv HrPer 1327 65 68 Pass Corvet1e1327 texi Sp I I Per El reg fuel 69 Corvette 1350 exc ll Per Sp H Per 69 Pass 1350 exc reg fuel 3958603 57 75 w studs1Note 15 2 61 65 Pass vv H Per dual 4BC 1409 lexr RPO 211 3852582 75 00 1l Ient No 3852483 1Note 11 12 2 NOTE 11 Used only with camshaft 3830690 valve spring 3817277 and shim 3853875 on 1964 models with engine date stamps prior to T1118 OA and T1118 OB Used only with camshaft 3837735 and valve spring 3858367 on 1964 models with engine date stamps sulisequent to T1118 OA and 11118 OB It is necessary to use shim 3853875 on 1961 to 1963 models For further information refer to CHEVROLET Service News Volume 36 No 6 June July 1964 NOTE I2 Do not use on early design 1961 1409 engines 63 65 All 1153 3927561 46 55 w studs 1 63 69 All 230 250292 3938931 63 40 vv studs 1l lO1o 13 1 64 68 Corvette w Sp ttl Per E 1327 3928455 56 10 vv studs 2 64 65 All 1194 66 67 Ser 1010 D G 10 1194 3933094 62 15 w st ds1Note 13 1 65 69 Pass Corvette 1396 42 7 lex Sp l Per 1 l D Al Cyl and Case 3931062 58 31 1 8l 1 guide 1Note 14 2 65 69 Pass Corvette wrSp l l Per 1396 427 3919839 56 70 w valve guide ltiast iron head 1Note 14 2 NOTE 14 Wlxert using on models prior to 1968 use pipe plug 444667 or 444746 to plug water temp switch hole 66 G 10 wrA l R 1194 3887861 56 95 vw studs 1 67 69 All 13 53 5198203 179 49 I 1 6769 Corvette vv 11 0 Sp I I Per 1427 3919838 188 00 vv valve guide laluminum head 2 68 Pass w reg fuel 1327 3928495 48 10 w studs 1 68 Ser 10 thru 301396 3935404 65 95 w valve gurtle 1 69 Corvette w HD Al Cyl and Case 1427 3946072 188 00 w valve guide V 2 69 Pass 1396 lexc Police 69 Ser 10 thru 30 1396 3933146 70 50 vv valve guide 2 69 All 1307 327 3958602 57 75 w studs 2 69 Corvette w ll Por SQ I I 1 Pt2i 1350 3958604 57 75 wfstuds 2 69 Ser 10 thru 301350 text LP Gas 3958605 57 75 vv studs 2 69 Pass vvrreg fuel1350 3958606 57 75 w studs 2 69 Ser 10 thru 30 vv L P Gas 16 1 1 1 3958609 77 95 w studs 1 69 Ser 10 thru 30 w L P Gas 1350 3958600 69 95 w studs 2 NOTE 15 Not used w low COI t1 230 1 1 P Police typo engine use truck head 3877068 or 3928495 NOTE 13 Pipe plug 444746 or 444788 is to he discarder when water temp switch is mounted in cylinder head 0 283 GUIDE Inlet and Exhaust Valve Stem 38 40 All 3688759 61 exhaust I2 1 length straight sides 1Note 1 6 NOTE 1 l lust he used in conjunction with valve splint seat 838539 41 62 All Corvette I6 cyl 63 4 W D 16 cyl 11st Ser 3708168 70 inlet 13 l D x H OD 1Note 2 6 41 62 All Corvette 16 cyl 63 4 A1D 16 cyl l1stSer 3688761 70 exhaust 12 length straight sides 1Note 2 6 NOTE 2 To ohtain proper valve stem clearance guides must he finished with 343 hand reamer after installation in cylinder head 67 69 All 13 53 5116120 59 1 J A R 0 289 GASKET UNIT GASKET RIl lG Cylinder Head A 38 49 All 50 53 All 1216 3691929 5 80 Note 1 1 50 52 All 1235 3707038 5 20 Note 2 2 NOTE 2 Consists of gaskets for cyl heads water outlet rocker cover push rod cover manifold thermostat housing exhaust pipe flange exhaust pipe packing and valve stem oil 53 All 3707039 5 20 1N0te 1 1 54 55 All 1261 11st Ser 3751893 5 40 lNote 3 1 NOTE 3 When using on johs after 1956 it is also necessary to use 3731062 exhaust pipe sealing ring and discard 6392831 exhaust pipe flange gasket 54 62 All 1235 I 63 4 D 1235 3709428 5 20 1l Iote 1 1 1969 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON 0 269 0 289 P 0 18 REV 7 1 69