FUEL EXHAUST CARBURETION I 3 708 BOLT CLAMP LOCK U BOLT U BOLT KIT Exhaust System Amaching con 53 82 Y A4 4 2378618 I 4 90 CLAMP 3 I 2 53 82 Y 2378620 I 3 90 CLAMP 4 4 A 4 59 82 Y 2378615 AR I 60 CLAMP W U 8OLT 1 3 4 IN CLAMP 59 82 Y 4 9793545 AR 1 55 CLAMP 2 25 DIA I 4 64 82 Y 3633128 AR 1 95 CLAMP 2 50 IN 4 64 G5 Y EXC H PER SP H PER F I 396 I 3853723 I 4 05 CLAMP FRT EXH 4 64 65 Y P G W H PER 3853723 I 4 05 CLAMP FRT EXH 64 65 Y W H PER EXP P 3 SIDE I MT EXH 3853725 1 4 60 CLAMP FRT EXH I 64 65 Y W SP H PER F I EXC SIDE MT EXH 3853725 1 4 50 CLAMP FRT EXH 65 82 Y 1240744 AR 1 80 CLAMP W NUT BOLT U 50 8 MM 65 82 Y 1259609 AR I 75 CLAMP W NUT BOLT LI 5 5 MM 66 67 YI327 W P G Exc sI E MT EXH 3853723 I 4 05 CLAMP FRT EXH 66 68 Y W M T EXC SIDE MT EXH 3853725 I 4 60 CLAMP FRT EXH 68 Y W T H 356989 I 9 80 CLAMP FRT EXH G9 Y EXC T I I 400 SIDE MT EXH 3853723 1 4 05 CLAMP FRT EXH C 72 Y W A T EXC SIDE MT EXH 454 3952739 I 9 05 CLAMP FRT EXH 70 75 Y 350 W M T EXC SF H PER 3853723 I 4 05 CLAMP FRT EXH 70 75 Y 350 N M T SP H PER 3853725 I 4 60 CLAMP FRT EX I 70 74 Y 454 W I T 356989 I 9 80 CLAMP FRT EXH 70 75 Y 454 W M T 3853725 I 4 60 CLAMP FRT EXH 73 75 Y 350 W A T EXC SP H PEP 3952739 I 9 05 CLAMP FRT EXI I 74 75 Y 350 W A T SP H PEFI 356989 I 9 80 CLAMP FRT EXH 74 77 YW M40 356989 1 9 80 CLAMP EXH PIPE 76 Y 357784 1 2 60 CLAMP EXH C OVR RR PIPE HANGER I 76 77 Y EXC M40 357779 I 7 60 CLAMP EXH PIPE I 78 75 Y 357779 1 7 60 CLAMP EXH PIPE 78 81 Y I 473039 1 2 60 CLAMP EXH C OVR RR PIPE HANGER I I 5 7 LG 78 81 Y 1259610 AR 1 80 CLAMP 44 5 MM 68 Y W T H 3037866 1 58 LOCK FRT EXH PIPE CLAMP MUFF TAIL I PIPE I I G9 78 Y W A T EXC SIDE MT EXH 3937866 I 58 LOCK FRT EXH PIPE CLAMP 53 69 Y 3754882 1 1 75 U BOLT 1 7 8 53 82 Y 3837878 1 2 10 U 8OLT I I 2 63 65 Y W H PER SP H PER F I EXC SIDE MT EXH P G 3949198 2 2 30 IJ 8OI 1 FRT EXH PIPE CLAMP 5 16 15 66 67 Y EXC P G SIDE MT EXH 3949198 2 2 30 U BOLT FRT EXH PIPE CLAMP 5 15 18 68 Y 3949196 2 2 30 U BOLT FRT EXH PIPE CLAMP 5 16 I5 69 Y EXC SIDE MT EXH 3952741 AR 75 U BOLT FRT EXH PIPE CLAMP MUFF TAIL PIPE 70 8 I Y 3949198 AFI 2 30 U BOLT FRT EXH PIPE CLAMP 5 16 I8 70 75 Y 350 W SP H PER 3949198 2 2 30 U BOLT FRT EXH PIPE CLAMP 5 16 18 70 71 Y 350 W M T EXC SP H PER 3952741 AR 75 U BOLT FRT EXH PIPE CLAMP MUFF TAIL PIPE 72 77 Y 350 EXC SP I I PER 3952741 AR 75 U BOLT FRT EXH PIPE CLAMP MUFF TAIL PIPE 55 82 Y 352729 AFI 7 15 U BOLT KIT Z 55 82 Y 352731 AR 5 55 UBOLTI T 21 2 3 724 GASKET KI I CARBURETOR Carburetor NOTE REFER TO CHARTS END ur GROUP 3 000 FOR GROUP 3 724 THRU 3 859 1978 AND LATER CARBURE OR S AND COMPONENT PARTS 71 72 Y W ROCH 4BC 7041872 1 10 00 GASKET KIT 73 Y 7046779 1 10 00 GASKET KIT 74 Y 17050525 1 1000 GASKET KIT 75 77 Y 17052991 I 11 95 GASKET KIT 3 725 CARBURETOFI Rochester NOTE REFER TO CHARTS END OF GROUP 000 FOR GROUP 3 724 THRU 3 859 1978 AND LATER CARBURETOR S AND COMPONENT PARTS I NOTE ALL 1966 THRU 1971 ROCHESTER CARB WITH 46C ARE OUADRA JETS 68 Y 327 7045904 1 211 60 CARBURETOR 69 Y 350 7046904 1 211 60 CARBURETOR 69 Y W A T M40 4BC 7046904 1 211 60 CARBURETOR 70 Y 350 EXC H PER 17051998 I 212 40 CARBURETOR WAREHOU5ING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET I4A REV 12 83 3 19 3 708 3 725 E 25