69 Ser 50 60 w A l R 366 427 3947845 1 24 75 L H 69 Ser 50 60 w A l R 366 427 70 Ser 50 60 366 427 3964246 R H 26 40 right 69 Ser 40 50 w A l R 350 70 Ser 40 50 350 3932461 2 21 05 69 Ser 40 50 350 exc A l R 3932465 2 17 40 70 Ser 50 60 366 427 3964245 L H 26 40 left 3 602 SUPPORT COVER GASKET Manifold 64 66 Ser 60 327 exc 130 amp gen 64 66 Ser 50 283 exc SBC 67 68 Ser 40 thru 60 283 307 327 exc A l R 62 amp 130 amp 3845516 1 40 exhaust L H 62 66 Ser 80 2 cyc Diesel 5 121098 1 22 COVER fight exhaust manifold 62 66 Ser 80 2 cyc Diesel 5113412 1 07 GASKIET right exhaust manifold cover 3 604 LOCK Exhaust Manifold Bolt Locking 57 62 All exc 348 409 63 Ser 50 60 w Cool Pack 8 cyl 65 66 All w Air Cond 67 70 All 283 307 327 350 3880844 4 05 end bolt 2V3 ctr to ctr of holes w locking tangs 58 65 All 348 409 3736032 4 05 end bolt z dia 2 holes 66 67 All 366 3860351 4 10 end bolt 3 609 PIPE Engine to Muffler Exhaust NOTE Refer to group 3 701 for chart containing 1968 1970 exhaust pipes and crossovers Comm Util and Ser 3 41 46 Util exc C O E 3656596 1 8 25 dev length 83 stamped 3656596 47 48 Util exc D D C O E 3684108 1 8 25 dev length 83 stamped 3684108 49 Util exc D D C O E 3691277 1 8 55 dev length 82 stamped 3691277 50 53 Util 216 3693712 1 8 90 dev length 79 stamped 3693712 50 53 Util 235 exc C O E 54 55 Util lst Ser exc D D C O E 3693715 1 9 00 dev length 79 stamped 3693715 50 55 D D C O E 1st Ser 3693714 1 8 55 dev length 63 stamped 3693714 Ser 4 55 56 8 cyl 3725672 1 8 20 stamped 3725672 55 56 8 cyl 3708723 1 11 50 crossover pipe w flange 55 57 6 cyl 3732326 1 8 60 w flange stamped 3732326 58 59 8 cyl exc 4BC 3752511 1 11 30 stamped 3752511 57 59 8 cyl exc 4BC 3756556 1 14 90 crossover w flange 58 59 6 cyl 3752513 1 8 15 w flange stamped 3752513 Ser 40 60 62 6 cyl 3767164 1 9 55 78 z dev length 60 62 8 cyl 3752900 1 11 35 exhaust crossover w extensions 60 62 8 cyl 3789776 1 6 95 45 i4 0 L stamped 3789776 Note 2 NOTE 2 When using on 1961 models it will be necessary to out off approx 4V from rear end 67 250 exc SBC D D Tilt 3906381 1 9 85 67 292 exc SBC D D Tilt 3906382 1 20 80 67 8 cyl exc Tilt 3906386 1 6 35 67 SBC 250 3906383 1 16 65 67 SBC 292 3906465 1 19 15 67 8 cyl exc Tilt 3891360 1 14 70 crossover 67 D D 250 13850426 1 6 60 67 D D 292 3850427 1 9 75 67 2 cyc Diesel 13900062 1 37 00 67 Tilt 250 3868554 1 23 55 67 Tilt 292 3868555 1 27 10 67 Tilt 8 cyl 3850430 1 6 90 67 Tilt 283 3882200 1 crossover NOTE Refer to group 3 701 chart containing 1970 Exhaust Pipes Ser 5 55 56 8 cyl 3725672 1 8 20 stamped 3725672 55 56 3708723 1 11 50 crossover pipe w flanges 57 59 exc 4BC 3741414 1 11 65 stamped 3741414 57 w 4BC 3741391 1 15 00 L H 57 w 4BC 3741392 1 15 00 R H 57 59 8 cyl exc 4BC 3756556 1 14 90 crossover w flange 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 315 REv 6 71 3 57 3 601 3 609