STD 003 0 S 015 0 S 030 0 S 41 49 Pass 50 53 Pass 216 3688065 Requires 3835392 Cap and 3835333 Seal 50 52 Pass 235 3835519 53 62 Pass 6 cyl 3815082 55 56 Pass 8 cyl exc dual 4BC 57 59 Pass 8 cyl exc H L Cam 348 60 61 Pass 283 exc H L Cam 62 64 Pass 283 327 exc H Per Sp H Per F l 63 64 Pass 194 230 3774052 3786360 3786361 37 86362 56 Pass w dual 4BC 57 59 Pass w H L Cam 283 3774695 3734975 3734976 2 2 Identified by swirl polish under head and thin necked stem 58 60 Pass 348 exc H Per Sp H Per 61 Pass 348 exc H Per w reg cam Sp H Per 3747307 59 60 Pass w H Per 348 3776968 60 61 Pass w Sp H Per 348 61 Pass H Per w reg cam 348 61 Pass 409 early design 63 64 Pass 409 exc H Per dual 4BC 3781155 3781180 3781181 62 64 Pass w H Per 327 3799576 3871514 3871515 3871516 61 62 Pass 409 late design 63 64 Pass w H Per dual 4BC 409 exc RPO Z11 3814691 3817916 3817917 3817918 0 297 VALVE Exhaust Refer to following Chart for Model Application NOTE See Dealer Price Schedule P A 26 for applicable prices VALVE CHART Exhaust STD 003 O S 015 0 S 030 0 S 38 40 Pass 838717 41 49 Pass 3835318 NOTE 1 Requires 3835392 cap and 3835333 seal 50 53 Pass 54 Pass exc P G 3835639 55 57 Pass 265 exc F l H L K Cam 56 64 Pass 6 cyl 58 64 Pass 283 exc dual 4BC H L Cam 62 64 Pass 327 exci H Per F I 3839387 3840001 3840002 3840003 54 Pass w P G A 55 Pass 6 cyl exc P G 3836026 56 59 Pass w H L Cam 265 283 3779486 3774823 3774824 58 60 Pass 348 exc H Per Sp H Per 61 Pass 348 exc H Per w reg cam Sp H Per 3747308 59 60 Pass H Per w dual valve sprgs 3776969 3777294 60 61 Pass w Sp H Per 348 61 Pass H Per w reg cam 348 61 Pass 409 63 64 Pass 409 exc H Per dual 4BC 3817821 3817822 3817823 3817824 62 Pass 409 63 64 Pass w H Per dual 4BC 409 3817821 3817822 3817823 3817824 0 303 SPR NG SH M Valve 38 53 Pass 54 55 Pass 235 exc P G 3835626 12 yellow aluminum or bronze 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 30 0 296 0 303 0 8