t e FUEL EXHAUST CARBURETION 3 604 LOCK Exhaust Manifold Bolt Locking Con t 67 72 All Blazer 283 307 327 350 3880844 4 end bolt 2 aa ctr to ctr of holes V V V Vw locking tangs 3 609 PIPE Engine to Muffler Exhaust NOTE Refer to group 3 701 for chart containing 1968 1973 exhaust pipes and crossovers V 50 53 Comm 216 3693712 1 V dev length 79 stamped 3693712 54 55 Comm 1st Ser exc D D 3693715 1 dev length 79 stamped 3693715 55 57 Ser 3 6 cyl 2nd Ser exc D D 3732326 1 w flange stamped 3732326 L 55 62 D D 6 cyl 2nd Ser exc 102 l W B V 3732324 1 stamped 3732324 V 57 59 Ser 3 8 cyl exc 4BC 3756556 1 exhaust crossover e Ser 10 60 66 283 3752900 1 exhaust crossover w extension 60 6 2 w 127 W B 6 cyl exc V t V 4 WD D D 3769313 1 1 10 r dev length 63 66 w 115 W B 230 250 exc D V V V D 4 WD Sub A l R 67 w 115 W B 250 exc A I R 4 WD 3848553 1 63 283 exc 4 WD A I R 64 66 w 115 W B 283 exc 4 WD A l R 3848566 1 63 67 w 127 W B 230 250 exc 4 WD A I R V 3848554 n 1 63 w 127 W B 292 exc 4 WD 3831072 1 V 63 66 w 127 W B 283 exc 4 WD A l R V 3848567 1 64 67 D D 6 cyl exc A l R 3931393 1 64 67 vv 127 W B 292 exc 4 WD 1 A I R 3848577 1 64 66 4 WD 292 exc A l R 3848580 1 66 327 exc A l R 3873120 1 crossover A V 66 w 127 W B 327 exc A I R 3873124 1 V A 66 67 115 W B w A l R 250 exc 4 WD 3931342 1 V 66 67 127 W B w A I R exc V 4 WD A V 67 115 W B w A l R 250 exc V V r V 4 WD 3931344 1 66 67 D D w A l R 3931393 1 67 283 exc A l R 4 WD 1 391552 0 1 crossover 67 w 127 W B 283 exc A I R V 1 V 4 WD 3893013 1 67 w 127 W B 327 exc A l R V 4 WD 3914482 1 V 67 327 exc 4 WD 3931370 1 crossover V 67 A R w 127 W B 283 exc 4 WD 3931376 1 V 67 4 WD A l R w 115 W B V V 250 3986296 1 67 4 WD A l R w 127 W B V 250 V 3986297 1 67 4 WD A l R w 127 W B V V 2922 3931356 1 V 67 4 WD w 127 W B f 283 exc V 1 A l R 3915529 L H left V 67 4 WD vv 115 W B 327 3986646 1 V 67 4 WD w 127 W B 327 exc V A l R 3915533 1 V V 67 4 WD A l R w 1 15 W B V 283 3986631 1 67 4 WD A l R w 127 W B 283 3986632 1 V 67 4 WD A R w 127 W B V 327 3986647 L H left 67 4 WD 8 cyl 4 3960817 1 crossover 67 A l R w 127 W B 327 exc 1 4 WD 3931384 t 1 V V 67 w A l R 283 exc 4 WD 3931363 1 Ser 20 V 60 66 283 3752900 1 exhaust crossover w extension GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 V 3 51 V 3 604 3 609