63 4 V D 6 cyl 1st Ser 8 38206 15 12 attach roles 1 55 69 All Corvette 8 cyl exc 348 396 409 427 3799620 15 attach 2 dtlvvel holes 1 58 65 Pass 348 409 3799600 15 fiber and riibher 12 holes 1 63 66 All exc 8 cyl 67 69 All 6 cyl exc D D 39123472 25 1 65 68 Pass Corvette 396 427 68 Ser 10 thru 30 396 3860096 19 10 roles 1 67 69 All 3 53 51 21082 48 frt cover upper ld 1 67 69 All 3 53 5116386 18 frt xover lovxrer l 1 69 All 396 427 3935449 25 1 1 213 SEAL Crankcase Front End Cover 38 67 All Corvette exc 396 427 3835946 1 65 2l 0 0 stamped 3835946 1 65 69 Pass Corvette 396 427 68 69 Ser AlO1l1Tll 30 396 3860095 1 75 3 O D s1a ped 3860095 1 67 69 All 3 53 5116224 3 74 crankshaft lrt oil std 2 1 67 69 All 3 53 51 6476 1 43 upper cover cam and bal oil 2 2 68 69 4 Corvette exe 396 427 3921012 1 60 crankshaft ln oil 1 1 253 INSERT Exhaust Valve 67 69 All 3 53 51 16361 1 44 std 18 1 10 Y AR 67 69 4ll 3 53 5196752 1 38 010 Ol l l r 111 rr 0 D stamped Gl l 10 X 4 8 0 269 HEAD Cylinder 50 52 All 235 3835908 66 65 vv valvo guides Ident No 3835909 1 53 62 All Corvette 235 vv v 1iveuui les Ident No 3836848 63 4 V D 3836954 66 65 also sae Notes 1 thru 7 1 NOTE 1 838539 Seat must he used on jobs vv o hydraulic valve litters NOTE 2 Vhen used or Comm models vvith l T 3 18 hole must be drilled lor oil cooler line NOTE 3 V hen used on 1953 Corvette valve rocker cover 38361 I42 and gasket 3708646 or 3708548 rnust he used Install 2 9411925 valve rocker cover shaft 3tl1f 30ll rnolts NOTE 4 Vhen used on 1953 tnru 1955 Pass and Truck models valve rocker cover 3758661 and gasket 3708646 or 3708648 must he used Pierce vent slots in rocker cover or install cap 1552232 Install 2 9411925 valve rocker cover shaft support bolts NOTE 5 Part No 838539 is not required if replaced head has sprint seats which can be transferred NOTE 6 Vhen using on 1960 thru 62 Pass rt is necessary tc drill and tap a ll 18 hole rn cyl hd bosses for attaching air cond urrit 54 62 All 26 63 4 D 261 3836963 66 65 vv valve gurdes ldent 3836850 Note 7 1 NOTE 7 On 1953 thru 1955 models vvith Bourdon tube type heat indicator gauge it is also necessary to use Adapter Bushing 3837160 55 56 Ser 3 8 cyl 3773011 48 40 vv va ve ro l er studs ident No 3703523 Note 8 2 55 Pass Corvette 8 cyl vv valve roelzer studs 10 111 No 56 Pass vv 2BC 3773010 45 95 376 460 3773012 Note 8 2 NOTE 8 Used vvitlr 3850089 valve rocker cover unit 56 Pass Corvette vv 4BC exc dual 4BC 37129785 41 30 vv valve roclter studs Ident No 3725306 small ports 2 56 59 Pass 8 cyl exc 2BC Alf S 56 60 Corvette right and let 58 59 Pass vv Air S right 60 61 Pass vv 4BC 61 Corvette exc F l 62 64 Pass Corvette 327 exc H Por F l Sp ll Per 63 67 All 283 3817680 r 49 70 right and el dent No 3795896 Note 9 2 NOTE 9 Vhen usrng 3817680 ort 1957 1958 models it vvill also l v rieeessary to use cyl head gasket 3830711 57 62 All vv 2BC 265 283 65 68 Ser 10 thru 30 327 68 All 307 39 28454 56 10 vv studs 2 58 Pass 348 exc water cooled plugs 58 60 Pass vv vvater cooled plugs 348 exc H Per 61 Pass W vvater cooled plugs 348 exc 1 l Per vv reg cam Sp H Per 3759254 49 90 Iderrt No 3759256 2 59 60 Pass vv I l Per 348 3785086 49 15 Ident No 3758379 or 3767738 Note 10 2 NOTE 10 V hen used on engines not equipped vvith valve stem oi shields it is rmperativerthat valve spring shim 3764539 he used to compensate for the 030 of extra space 60 61 Pass vv Sp l l Per 348 61 Pass H Per vv reg cam Q 348 63 65 Pass 409 exc H Per dual 4BC 3839747 62 70 lderrt No 3830817 2 1969 CHE PlC l lET l IOTOR DIVISION Gl NEF All lVl0TOF S C08POi t T ON t REV 7 1 69 P 0 17 0 207 0 269