Buick V-6 3.8 Liter Draw Through Turbo.This style system was used with a four barrel carb.The Turbo compressed the air and fuel together and forced it into the engine Via the intake manifold.This is an incomplete system and the Turbo needs a rebuild.Unit is in nice shape for the age without major rust and pitts.Clean with no gasoline or antifreeze stains.Airesearch A/R.42.No cracks or repairs.Great item to start with for a Hotrod Streetrod Ratrod project.Exact make model and year fit of th system unknown by the seller.The inside condition of the Turbo and related components unknown,Turbo needs a rebuild.Used $200+$20 s&h USA/48.