FLIEL EXHAUST CARBURETION 3 613 STUD BOLT LOCK NUT Exhaust Pipe Con t 75 7 Sprint 8 cyl 344996 3 exh c over frt pipe B 16 x 3 ra 76 7 Sprint 483543 3 exh pipe r 76 7 Sprint 250 6272730 4 exh manifold 72 7 Sprint 411405 A R BOLT exh B 16 x 13 4 shl ht hex 76 Sprint 250 355778 2 LOCK exh manifold end bolt 73 5 Sprint l 3829086 A R NUT B 16 zinc plated anti seize coated 3 616 HANGER ASSY CLAMP Exhaust Pipe Support n NOTE Refer to Group E igwchart containing hanger assemgigf 7 6 7 Sprint 250 339794 1 D cLAMi exh clover hanger 3 640 THERM OS AT ACTUATOR Exhaust Manifold Heat Control 712 Sprint 6 cyl 3881831 1 7 5 6 Sprint 6 cyl 1996526 1 ACTUATOR w rod exh heat 715 Sprint 305 350 76 Sprint 400 w NB 2 1996523 1 ACTUATOR exh heat w rod 3 641 SPRING BRACKET Manifold Heat Control Valve 71 Sprint w Sp H Per 454 3746600 1 exh manifold valve anti rattle 7 2 Sprint 6 cyl 3895015 1 exh manifold valve stop 73 4 Sprint 6 cyl 338103 1 exh manif stop 75 Sprint 454 354428 1 BRACKET exh heat valve actr r 75 Sprint 6 cyl 354512 1 BRACKET exh heat valve actr 75 6 Sprint 8 cyl exc 454 14020506 1 BRACKET exh heat valve actr 3 647 VALVE ASSY BUSHING Exhaust Manifold 71 Sprint w Sp H Per 454 362652 1 75 7 Sprint 6 cyl 343368 1 exh manifold heat 75 7 Sprint 8 cyl exc 454 355915 1 exh manifold heat 75 Sprint 454 343742 1 exh manifold heat 71 Sprint w Sp H Per 454 3887032 1 BUSHING exh manifold valve shaft 76 Sprint 250 3848282 1 BUSHING exh manifold valve shaft 3 650 PULLEY Air Ilnjector Reactor 71 Sprint Sp H Per 3932458 1 71 7 Sprint 3927116 1 air inj pump 57 B dia AU on pulley 72 7 Sprint 6270081 1 air inj pump 5 B dia DB on pulley 77 Sprint w A l R Sys 1238316 1 air pump driven 1 groove 45 re dia 13 655 BRACKET ASSY BOLT BRACE SPACER Air Injector Reaction Pump 7 2 3 Sprint 402 454 14015390 1 73 4 Sprint 454 14015390 1 73 Sprint w Roch 4BC 7047872 1 carb vac brk 75 6 Sprint 355727 1 inj pump 75 6 Sprint w C A C 6 cyl 355728 1 air inj pump adjust 75 7 Sprint 8 cyl exc 45 4 354311 1 76 7 Sprint w NB2 250 352192 1 A l R pump Calif 76 7 Sprint 3877606 A R BOLT 8 16 x Ei 4 75 7 Sprint 6 cyl exc C A C 354564 1 BRACE 75 Sprint w C A C 6 cyl 355726 1 BRACE 72 3 Sprint 3955204 1 SPACER 71 7 Sprint 538790 2 SPACER 3 3 I D x 3 x 3 660 PUMP ASSY Air Injection Reactor Pump 71 Sprint 7806686 1 72 5 Sprint 8 cyl 7817809 1 75 7 Sprint 6 cyl 7817807 1 75 7 Sprint 8 cyl 7817809 1 3 665 FAN ASSY Air Injection Reactor Pump 73 7 Sprint 7801137 1 3 670 VALVIE ASSY GASKET HOSE LOCK SCREW SWITCH Air Injection lFIeact0r NOTE 7 Production E G F Valves have production part number stamped on body of valve 71 2 Sprint 402 454 5361992 2 air inj check 73 4 Sprint 8 cyl 5361992 2 air inj check 75 Sprint 454 5361992 2 air inj check 75 6 Sprint 8 cyl exc 454 4974265 1 air inj check 75 7 Sprint 6 cyl 4974265 1 air inj check 77 Sprint w NB2 8 cyl 5361992 2 air inj check Calif GM PARTS DIVISION GENERAL MOTORS CORPORATION SPRINT 57 lREV 4 81 3 9 3 613 3 670