0 283 GUIDE Inlet and Exhaust Valve Stem 38 40 Pass 3688759 6 exhaust 2 6 length straight sides Note 1 NOTE 1 Must be used in conjunction with valve spring seat 838539 41 62 Pass 6 cyl 3708168 6 inlet D x VIS O D Note 2 41 62 Pass 6 cyl 3688761 6 exhaust 2 length straight sides Note 2 NOTE 2 To obtain proper valve stem clearance guides must be finished with 343 hand reamer after installation in cylinder head 0 289 GASKET UNlT GASKET Cylinder Head 38 53 Pass 216 3691929 1 Note 1 50 52 Pass 235 3707038 2 Note 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 Pass 3707039 1 Note 1 54 62 Pass 235 3709428 1 Note 1 55 56 Pass 8 cyl 3711846 1 Note 4 57 64 Pass 283 327 3931606 1 Note 5 thru 9 NOTE 5 When using on Sp H Per or F l models prior to 1964 two 2 additional Head Gaskets 3830711 are required NOTE 6 When using on H Per 327 models use 2 3767556 Exhaust Pipe Packing NOTE 7 When using on 4BC models order 1 561624 air cleaner to carb gasket and 1 3751050 carb gasket NOTE 8 Can be used w Sp H Per and F I by discarding inlet manifold side gaskets and replacing with 3772384 NOTE 9 Consists of gaskets for cyl heads rocker cover inlet manifold carburetor water outlet exhaust manifold valve distributor air cleaner exhaust pipe packing and valve stem oil seals 58 61 Pass 348 3798316 1 Note 10 61 64 Pass 409 3829956 1 contains 4 head gaskets Note 10 13 NOTE 13 With dual 4BC use 561624 and with single 4BC use 3798388 air cleaner to carb gaskets With RPO Z1 1 use 3837480 inlet manifold gasket and engine top cover gasket 3837478 63 64 Pass 230 3930965 1 Note 14 15 NOTE 14 lt may be necessary to cut out the center ribs from exhaust port opening of inlet and exhaust manifold gasket NOTE 15 It may be necessary to cut off the six 6 locating tabs of the valve rocker cover gasket 38 49 Pass 50 53 Pass 216 3835465 1 GASKET 50 52 Pass 235 3835562 1 GASKET 53 62 Pass 6 cyl 3701296 1 GASKET 55 64 Pass 265 283 327 3830711 2 GASKET 58 61 Pass 348 3758383 2 GASKET 20 2 O L 61 64 Pass 409 3814003 4 GASKET 20 O L 63 64 Pass 230 3901016 1 GASKET NOTE 4 Consists of gaskets for cylinder heads rocker covers intake and exhaust manifolds carburetor distributor air cleaner and water outlet NOTE 1 Units consist of cylinder head rocker cover push rod cover manifold thermostat housing and water outlet gaskets exhaust pipe packing and valve stem oil seals NOTE 10 Consists of gaskets for cyl heads rocker cover inlet manifold carburetor water outlet distributor air cleaner exhaust pipe packing and valve stem oil seals NOTE 11 Unit 3799188 contains 5 z l D air cleaner to carb gasket and inlet side gasket has IZVG4 x 2V z large ports Unit 3817696 contains 4 z D air cleaner to carb gasket and inlet side gasket has 1 V64 x 2 2 large ports 0 293 BOLT PlN STUD Cylinder Head 38 62 Pass 3835811 A R long 2 13 x 4V2 raised circle on hd 38 62 Pass 3835812 A R short 2 13 x 3 2 raised circle on hd 55 64 Pass 265 283 327 3704796 16 short Vis 14 x 1 55 64 Pass 265 283 327 3734594 A R long VIS 14 x 3 circle on top of head 55 59 Pass 6 cyl 3764578 I V2 13 x 4V2 drilled Note 1 NOTE 1 Required when any 1959 6 cyl block of short motor is installed in 1955 58 models Reduces full pressure oiling to restricted flow Also requires PLUG 3764579 in group 1 531 at right hand center bolt location 58 64 Pass 348 409 3735721 2O long Via I4 x 4 58 64 Pass 348 409 3735722 16 short Vis 14 x 3 6 59 64 Pass 265 283 327 3767468 4 medium 6 14 x 3 circle on top of head Note 2 NOTE 2 Use with cylinder head with cast in oil trough on outer edge 63 64 Pass exc 8 cyl 3788417 A R V2 13 x 3 S 38 64 Pass 585927 A R PIN VIE x VIS 60 62 Pass w P S 6 cyl 3786965 2 STUD short V2 20 13 x 4V3z 0 296 VALVE Inlet Refer to following Chart for Model Application NOTE See Dealer Price Schedule P A 26 for applicable prices 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 30 0 7 0 283 0 296