2500-2600 Stall Speed. This is a mid-range street performance torque converter. This is also designed around the idea for a larger single, compounds, larger injectors. This torque converter will shine at the track and on the street. Will light almost any turbos with very little effort. Rolling into this converter will allow the boost to come in very quickly. This converter is ideal for sled pulling, drag racing, street racing, daily driving. Heavy Towing is not recommended for this converter.