66 All 327 exc A l R closed vent Sp H Per 3887146 1 10 CLIP vent valve 67 All Pass 327 350 exc closed pos vent 3916337 1 10 CLIP vent valve 1 750 CLAMP SCREW Crankcase Ventilator Tube 62 69 All 1470029 2 50 1 166 62 69 All t 3785130 1 05 SCREW oil filler tube assy 20 x W 1 758 CAP GASKET Oil Filler 62 63 Chevy 64 66 All exc 8 cyl closed vent H D A CL A l R 67 All 6 cyl exc closed pos vent 1652232 1 1 58 type FB7 painted 4 vent holes 2 A O D Note 1 NOTE 1 Used on all models equipped with valve rocker cover without ventilation slots 84 66 Chevy Chevelle w closed vent ex 230 H Per 8 cyl 66 67 All w fi l i l 6 cyl 68 All iii cyl 6 cyl 68 Pam 396 427 exc Spec W Per 69 All exc 302 396 70 All 3835665 1 65 w gasket on r arm cover plain finish 64 67 Ali 233 327 exc H D Cl closed pos vent 6419440 1 1 61 air breather type FB8 64 65 All ev closed vent 8 cyl exc 409 65 Chewelle Sp H Per w l lyd lifters 327 list design 3714893 1 75 l O D w 4 ears 65 Chevelle Sp H Per w l yd lifters 327 2nd design 6 2 409 3828373 1 1 40 chrome 64 65 Chevy Chevelle 230 exc closed vent 6420359 1 4 00 CAP ASSY chrome FB 43 64 Chevy Chevelle w closed vent 230 65 69 All 302396 427 70 Nova Chevelle Camaro Sp H Per 350 396 454 exc Monte Cario 3851735 1 1 05 CAP ASSY chrome 65 66 Pass Chevelle 396 427 exc Sp H Per closed vent 67 Pass 396 427 exc S S A l R closed pos vent 6421868 1 1 68 CAP ASSY vent breather plain 66 67 Chevelle w Sp H Per 327 66 Chevy w Sp H Per 327 exc A l R 67 Camaro w closed pos vent 350 67 Camaro 302 3882864 1 1 05 CAP ASSY 66 All w A l Fl closed pos vent 283 327 exc Sp H Per 67 68 All w closed pos vent 283307 327 3881834 1 80 CAP ASSY 66 Chevelle 396 exc A l R closed vent H Per Sp H Per 67 Chevelle 396 exc H Per closed pos vent 67 Impala S S 6423033 1 4 13 CAP ASSY chrome 67 Camaro 350 exc closed pos vent 6419454 1 3 78 CAP ASSY type FB 39 67 Chevy Chevelle Camaro w closed vent exc 327 350 396 67 68 Pass w closed pos vent 283 68 Chevy 6424994 1 2 00 CAP ASSY vent breather AC type FB 58 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 30A 1 745 1 758 1 cz REV 2 71