66 67 Pass 427 1st design exc Tri Carb 66 68 Pass w Sp H Per 427 2nd design 66 68 Chevelle S S w H Per Sp H Per 396 66 68 El Camino w H Per Sp H Per 396 2nd design 68 Pass 8 cyl exc 396 68 69 Chevy 8 cyl 69 Pass Chevelle Camaro 8 cyl exc 302 H D 427 70 Pass Nova Chevelle 8 cyl 70 Camaro 8 cyl 6423695 1 1 89 VALVE ASSY vent CV 736C 66 All 327 exc closed pos vent A l R Sp H Per 67 Chevy Chevelle Camaro w 4BC 327 350 exc closed vent 67 Pass 8 cyl exc closed pos vent 6421972 1 1 89 VALVE ASSY vent CV 679C 66 67 Taxi w A l R 6 cyl 68 70 Police Taxi 6 cyl 6422720 1 1 89 VALVE ASSY vent CV 725C 66 67 All w A l R 194 68 70 Chevy 4 cyl 6422717 1 1 89 VALVE ASSY vent CV 722C 66 68 All w A l R 230 250 exc Taxi 69 70 All 6 cyl exc Taxi Police 6422718 1 1 89 VALVE ASSY vent CV 723C 66 Pass w closed vent 283 327 66 Pass w A l R 283 327 66 Chevy Chevelle w closed vent A I R 283 327 exc Sp H Per 66 67 Chevy Chevelle w Sp H Per 327 67 Camaro 302 396 67 All w closed pos vent 283 327 6422721 1 2 65 VALVE ASSY vent CV 726C 68 69 Camaro 302 6484525 1 1 86 VALVE ASSY vent CV 746 C 64 67 All 283 327 exc H D A CL closed pos vent A l R 3853194 1 50 ADAPTER vent hose to manifold 62 Chevy w closed vent 5649687 1 2 10 ADAPTER ASSY vent valve 66 67 All w closed pos vent 283 538570 1 65 ELBOW c case vent valve connector hose to V 4 18 threaded pipe 3 163 64 66 Chevy Chevelle w closed vent A l R exc 396 65 66 Pass w closed pos vent 6 cyl ARRESTOR c case vent hose A CL to valve rocker cover 65 66 Pass w closed vent A l R exc F l 6 cyl 66 Chevelle w Sp H Per H Per 396 67 Chevelle w H Per 396 67 Chevy Camaro w closed pos vent 67 68 Chevelle w Sp H Per 327 67 69 Camaro 302 396 67 Pass Chevelle w closed pos vent 69 Pass w Sp H Per 427 70 Chevelle w H Per Sp H Per 396 454 exc Monte Carlo 3849856 1 55 flame 65 66 Pass closed pos vent w oil bath A CL 6 cyl 67 Pass w oil bath A CL 6 cyl 3857476 1 1 00 ARRESTOR flame c case vent 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 3OA 1 745 1 745 1 60 REV 2 71