55 56 Ser 4 235 exc C O E SBC 57 Ser 4 3740662 1 5 00 crimped top 55 67 All 265 283 327 3728502 1 3 10 52 54 All w pos vent 6 cyl exc C O E 55 59 All 6 cyl 60 62 All w pos vent closed W vent 6 cyl exc Tilt 3699844 1 6 95 60 62 All 6 cyl exc pos vent closed vent Tilt 3743070 1 5 05 61 62 Ser 80 closed vent w 4BC 5646262 1 3 56 ADAPTER carburetor CV 240 64 Ser 50 60 8 cyl 65 Ser 60 SBC w 261 W B 3853194 1 150 ADAPTER vent hose to manifold 61 All w closed vent 8 cyl exc Ser 60 w 4BC 5646189 1 1 48 ADAPTER ASSY vent valve CV 213 61 Ser 60 closed vent w 4BC 62 All w closed vent 8 cyl 5646190 1 1 29 ADAPTER ASSY CV 214 64 66 Ser 50 thru 80 exc 261 V2 W B D D Diesel 67 All exc D D Diesel 68 69 All 6 cyl exc Tilt 68 70 All 366 427 3857476 1 1 00 ARRESTOR flame 68 Ser 40 thru 60 8 cyl exc 366 427 69 Ser 50 8 cyl exc 366 70 Ser 40 50 350 3924544 1 1 40 ARRESTOR ASSY flame 69 70 Ser 50 Tilt 6 cyl 3951438 1 5 10 ARRESTOR ASSY vent flame 69 70 Ser 40 50 6 cyl exc Tilt 69 70 Ser 60 exc Tilt 3951408 1 1 05 ARRESTOR ASSY flame 65 69 All D351 D DH478 2471978 1 8 30 BREATHER ASSY c case vent 70 Tilt 6 cyl 3831152 1 32 CAP c case vent hose connector at a cl 65 66 All D351 D DH478 67 68 Tilt D DH478 1554495 1 2 90 CAP ASSY breather 63 64 Ser 60 w P T 292 67 68 Ser 40 thru 60 Conv w H D Cleaner 6 cyl 67 Ser 40 Conv w H D Cleaner 8 cyl exc governor 68 70 All 6 cyl 3943670 1 75 CONNECTOR c case vent hose inlet manifold non illustrated dev Iength 5 inches 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S 1 745 1 745 1 72 REV 6 71