0 269 HEAD Cylinder 33 ALL exc CC w valve guides cast 836961 836960 1 45 40 2724 37 40 ALL 4 w valve guides cast 838773 838751 1 55 30 3318 41 49 ALL 50 53 ALL 216 w valve guides cast 3835517 383554369 1 55 30 3318 50 52 ALL 235 w valve guides cast 3835909 3835908 1 55 30 3318 55 56 COMM UTIL 8 cyl w valve rocker studs cast 3837065 3729787 2 37 85 2271 55 PASS CORV 8 cyl 56 PASS 8 cyl exc 4BC dual 4BC w valve rocker studs cast 3837064 3729786 2 37 85 2271 56 PASS CORV w dual 4BC w large ports cast 3731262 3734029 2 47 65 2859 56 PASS CORV w 4BC w valve rocker studs cast 3725306 small ports 3729785 2 37 85 2271 57 PASS w 4BC 57 PASS CORV F I w H L Cam 58 PASS Air S w 4BC 283 left 58 PASS F I w H L Cam 58 CORV w H L Cam right and left cast 3748770 3752843 A H 39 35 2361 57 PASS w dual 4BC 57 PASS w F I exc H L Cum 57 CORV exc F I w H L Cam cast 3740997 3741459 2 37 85 2271 57 58 2 TON 8 cyl cast 3743056 3748480 2 40 15 2409 57 58 ALL 8 cyl exc 2 TON 4BC dual 4BC F I cast 3748772 3748469 2 39 35 2361 58 PASS w 4BC 283 exc Air S 58 PASS w F I exc H L Cam 58 CORV exc H L Cam right and left 58 PASS Air S w 4BC 283 right cast 3748770 3752037 A R 37 85 2271 58 PASS 348 exc H L Cam cast 3732791 3748474 2 39 60 2376 58 PASS w H L Cam 348 cast 3759256 3759254 2 39 60 2376 53 58 ALL CORV 235 HEAD UNIT consists of valve guides seats and temp qaugereducingbushing cast3836848 37304151 1 55 30 3318 54 58 ALL 261 HEAD UNIT consists of valve guides seats and temp gauge reducing bushing cast 3836850 3730416 l 55 30 3318 QBNOTE When 3835543 is used for replacement on 1941 49 it will also be necessary to use 45 degree exhaust valves NOTE 838539 Seat must be used on jobs w o hydraulic valve litters iNOTE When used on COMM models with H T l8 hole must be drilled for oil cooler line NOTE Previously released in 1959 P A 39 0 283 GUIDE Inlet and Exhaust Valve Stem 34 40 ALL exc DC inlet 3 length straight sides 36887581 6 60 30 4158 ALL CORV 6 cyl inlet l 1i I D x Z1 O D 3708168 6 65 33 34 40 ALL exc DC exhaust 23 ler1gth straight sides 368875969 6 55 28 41 58 ALL CORV 6 cyl exhaust 27lg length straight sides 3688761 6 60 30 NOTE To obtain proper valve stem clearance guides must be finished with 343 hand reamer alter installation in cylinder head tNOTE When installing 3688758 on 1934 36 jobs use 837539 seat in place of 835811 collar EBNOTE When installing 3688759 on 1934 36 jobs use 838539 seat in place of 835811 collar 0 289 GASKET UNIT GASKET Cylinder Head 35 36 ALL w 601988 head 601411 1 3 35 168 37 49 ALL I 50 53 ALL 216 3691929 1 4 90 245 50 52 ALL 235 3707038 1 4 25 213 53 ALL 235 3707039 1 4 40 220 54 57 ALL 261 58 Ser 6 6 cyl 3751893 1 4 25 213 54 58 ALL 235 3709428 1 4 40 220 26g g 2gg 166 Rsvnssu JANUARY 1 1959