0 297 VALVE Exhaust NOTE See group 0 296 tor 1929 exhaust valve 1930 31 ALL head marked EX X 836519 90 1 6 1932 ALL head marked EX 32 X A 836803 90 2 6 1933 34 C O DC head marked EX 33 X 836963 90 1 6 1934 35 ALL exc DC EA ED use U key head marked EX 609380 90 1 6 NOTE When using 609380 in place of valve with rect key it is necessary to use 1 2136335 valve spring cap and 2 838029 U shaped valve stem keys 1935 40 ALL l r use U key head marked 39 EX X 838717 90 1 6 1941 47 ALL l w one groove stem head marked 41 839412 90 1 6 1947 49 ALL r r w two groove stem head marked GM 3835318 90 1 6 NOTE Parts 3835318 Valve 3835333 Seal and 3835392 Cap can be used in place of 839412 Valve and 839897 Cap Cover 1950 ALL w two groove stem hd marked GM 1 dia 3835606 90 1 6 0 303 SPRING Valve 1929 33 ALL 2 O L x alg 1 D 364912 27 2 12 1934 37 ALL exc DC 2 O L x 3 I D 837365 27 1 12 1934 DC 2 O L x 3 I D 837501 27 12 1938 50 ALL exc P G 2 O L x 3 1 D 839304 27 1 12 1950 ALL PASS w P G completely painted w aluminum R H coil 3835608 27 12 0 308 COVER SEAL Valve Spring Cap 1941 47 ALL COVER inlet height overall 839570 15 1 6 1941 47 ALL COVER exhaust heiqht overall 839897 15 1 6 1947 E10 ALL SEAL inlet and exh 3835333 03 1 12 0 309 CAP Valve Spring 1929 34 ALL exc DA DB P r0und sing1e flange 836117 07 2 12 1934 35 ALL exc DC octagon height overall r 837546 07 2 12 1935 47 ALL exh w U key octagon or round stmpd X 2136335 07 2 6 1935 47 ALL inl w U key round double flange or round stmpd IN 080 thick 839367 07 2 6 1947 50 ALL inlet and exh w 3835318 19 valves 1 dia 080 thick 3835392 07 2 12 NOTE 839367 2136335 used on 1934 35 jobs only when installing valves 609379 609380 w annular grooves 0 310 KEY Valve Stem 1929 34 ALL exc DA DB P rectang p1ain steel 836120 02 2 12 1934 35 ALL exc DC rectang copper plate 837328 02 2 12 1935 150 ALL U shape 838029 03 1 24 NOTE 838029 used on 1934 35 jobs only when installing valves 609379 609380 w annular grooves 0 311 SEAT Valve Spring also see group 0 287 1934 35 ALL exc DC inlet not used w straight side guide height overall 837539 12 2 6 1934 49 ALL exc DC inlet and exh 1934 35 exh only use 1950 ALL w 216 Eng w straight side guides height overall 838539 03 12 0 333 ARM Valve Rocker with Adjusting Screw and Nut 1929 31 ALL w bshg forge No 835549 835676 90 12 1932 33 ALL w bshg forge No 837417 rounded end adj screw 600873 90 2 12 0 297 0 333 40