FUEL EXHAUST CARBURET ON 3 774 NOZZLE Carburetor NOTE Refer to charts end of Group 3 000 for Group 3 724 thru 3 859 1978 and later carburetor s and component parts 65 Y 396 2367980 1 3 00 NOZZLE PUMP DISCHARGE HOLLEY NO 21R 572 25 W 3868826 8864 3875964 3884505 2835 3890499 66 Y EXC A I R 2367980 1 3 00 NOZZLE PUMP DISCHARGE HOLLEY N0 21R 572 25 W 3868826 8864 3875964 3884505 2835 3890499 67 Y P G W 3 2BC 2367980 1 3 00 NOZZLE W 3909872 67 Y W HOLLEY 4BC 2367980 1 3 00 NOZZLE W 3906631 3 5 69 72 Y HOLLEY 4BC W SP H PER 350 454 2367980 1 3 00 NOZZLE W 3986195 96 3989021 3999263 69 Y 3 2BC W T H 400 W H PER 427 2367980 1 3 00 NOZZLE W 3940930 3955516 3 792 JET Carburetor Metering Rod with Gasket NOTE Refer to charts end of Group 3 000 for Group 3 724 thru 3 859 7978 and later carburetor s and component parts NOTE Stamp on top or side of jet denotes orifice diameter in thousands 57 61 Y W DUAL 4BC 1459366 2 2 70 JET PRIM CARTER 120 166 W 3744002 04 3772600 3785554 66 Y 327 EXC A R 2337804 2 61 JET PRIM W 3884505 i 68 Y 327 W SP H PER 7031966 1 1 52 JET PRIM W 7028219 90 DEGREE APPROACH 68 69 Y W ROCH 4BC EXC 327 SP H PER 350 7031971 2 1 52 JET PRIM 90 DEGREE APPROACH 69 Y 350 W ROCH 4BC H PER 7031966 1 1 52 JET W 7029207 70 Y 350 W ROCH 4BC 7031976 1 1 52 JET MAIN 90 DEGREE APPROACH 70 Y 454 W ROCH 4BC 7031978 1 JET MAIN 90 DEGREE APPROACH 71 72 Y 350 W ROCH 4BC 7031974 1 1 52 JET MAIN 90 DEGREE APPROACH 71 73 Y 454 W ROCH 4BC 7031977 2 1 52 JET PRIM 90 DEGREE APPROACH 73 Y 350 EXC SP H PER 7031978 1 JET MAIN 90 DEGREE APPROACH 73 Y 350 W SP H PER 7031974 2 1 52 JET PRIM 90 DEGREE APPROACH 74 Y W ROCH 4BC 7031975 2 1 52 JET MAIN 90 DEGREE APPROACH 75 76 Y 7031977 2 1 52 JET PRIM 90 DEGREE APPROACH 77 Y EXC CALIF ALT 7031977 2 1 52 JET PRIM 77 Y W CALIF ALT 7031972 2 1 52 JET PRIM 3 806 HOLDER KIT INSERT ROD Carburetor Metering NOTE Refer to charts end of Group 3 000 for Group 3 724 thru 3 859 1978 and later carburetor s and component parts 68 77 Y W ROCH 4BC 7034522 1 1 46 HOLDER KIT CARB METERING ROD SECD 76 77 Y 17051796 2 1 25 INSERT ANEROID CAVITY 68 Y 327 W ROCH 4BC EXC SP H PER 7034337 2 4 39 ROD SECD W 7028207 8 12 13 68 Y 327 W ROCH 4BC SP H PER 7034822 1 4 67 ROD SECD 68 Y 327 W SP H PER 7034836 2 2 01 ROD PRIM W 7028219 68 Y 327 W ROCH 4BC EXC SP H PER 7034846 1 2 01 ROD PRIM W 7028207 8 12 13 19 68 Y 427 W ROCH 4BC 7033549 2 3 85 ROD SECD W 7028209 10 11 16 68 69 Y 427 W M T ROCH 4BC EXC SP H PER 7034845 1 2 01 ROD PRIM W 7028209 11 7029201 15 68 69 Y 427 W T H ROCH 4BC H PER 7034847 1 2 01 ROD PRIM W 7028216 7029204 69 70 Y 350 EXC H PER 7034337 2 4 39 ROD W 7029202 03 23 7040202 3 13 0502 3 13 69 Y 350 W ROCH 4BC H PER 7034836 2 2 01 ROD PRIM W 7029207 17050580 1 69 Y 350 W ROCH 4BC EXC H PER T H 400 7034838 2 2 01 ROD W 7029203 69 Y 427 ROCH 4BC T H 400 7033549 2 3 85 ROD W 7029204 15 69 Y W A T M40 ROCH 4BC EXC H PER 427 7034842 1 2 01 ROD PRIM W 7029202 69 Y W ROCH 4BC 7034822 1 4 67 ROD SECD 70 Y 350 W ROCH 4BC H PER 7034822 1 4 67 ROD SECD t WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14 3 774 3 806 3 32 REV 5 81