0 297 VALVE Exhaust Refer to following Chart lor Model Application Part List Part List Part List Part List Part List Nu Price No Price Na Price No Price No Price 838717 1 50 3741947 3 20 3774824 4 25 3781156 4 35 3817824 5 00 3731212 2 15 3741948 3 20 3774825 4 25 3781182 4 85 3835318 1 50 3732758 2 60 3747308 2 35 3776969 4 10 3781183 4 85 3835639 1 50 3732759 2 90 3748242 6 05 37771293 4 60 3781184 4 85 3836026 2 00 3732760 2 90 3748244 6 05 3777294 4 60 3817821 4 50 3735316 5 75 3748245 6 05 3777295 4 60 3817822 5 00 3741946 2 90 3774823 4 25 3779486 3 55 3817823 5 00 VALVE CHART Exhaust STD 003 O S 015 O S 030 O S 38 40 ALL 838717 41 49 ALL 3835318 50 53 PASS 50 55 COMM TON 6 cyl lst Ser exc D D H D 235 54 PASS exc P G 3835639 50 54 2 TON 53 55 CORVETTE 6 cyl 55 61 PASS exc dual 4BC 348 H L Cam 55 Ser 3 8 cyl 56 59 Ser 3 55 61 CORVETTE w 4BC 60 61 Ser 10 thru 30 60 61 CORVETTE w E1 exc H L Cam 62 ALL CORVETTE exc F I Sp H Per 283 409 63 ALL CORVETTE 283 327 exc Sp H Per F 1 3731212 3732758 3732759 3732760 54 PASS w P G 55 PASS 6 cyl exc P G 55 Ser 3 6 cyl 2nd Ser exc D D H D 3836026 56 59 PASS CORVETTE w H L Cam 265 283 60 63 CORVETT w H L Cam 3779486 3774823 3774824 3774825 58 60 PASS 348 exc H Per Sp H Per 61 PASS 348 exc H Per w reg cam Sp H Per 3747308 3741946 3741947 3741948 59 60 PASS H Per w dual valve springs 348 3776969 3777293 3777294 3777295 60 61 PASS w Sp H Per 348 61 PASS H Per w reg cam 348 61 PASS 409 3781156 3781182 3781183 37811134 62 ALL 283 63 ALL 6 cyl 63 Ser 10 D D 4 cyl 3735316 3748242 3748244 3748245 62 63 PASS 409 3817821 3817822 3817823 3817824 NOTE Requires 3835392 cap and 3835333 seal NOTE Not used on 1955 Pass 6 cyl jobs w 3 SPD Trans NOTE With siellite seat 0 303 SPRING SHIM Valve 38 53 ALL 54 55 ALL 235 exc P G yellow aluminum or bronze 3835626 12 60 53 55 CORVETTE 6 cyl inlet and exhaust inner 2 free length pink or white 3836132 12 20 53 55 CORVETTE 6 cyl inlet and exhaust outer 2 tree length pink or white 3836133 12 45 54 55 PASS w P G 6 cyl 54 55 ALL 261 lst Ser 56 58 ALL 235 inlet and exhaust yellow purple bronze 62 ALL 261 or aluminum 3836640 12 65 Motor Division 197 General Motors Corporation