Thank you for choosing the best turbo charger components - made by SPA Turbo !

This is the innovative 'Tornado' special anti-surge design, which produces excellent flow properties with quick turbo response time and rapid spool-up;  - available ONLY from SPA turbo.  

• SPA Turbine housings are precision CNC machined from high quality ASTM 536 60-40-18 cast iron. 

• These are ductile spheroidal (aka Nodular iron) castings, where the graphite components are spheroidal in shape and essentially free of other forms of graphite. 

• Specifically designed for pressurized components and high operating temperatures. 

• In other words, the ideal material for turbine housings; - also used for high quality cylinder liners.

We would like to think that we offer outstanding customer service, but recognize there's always room for improvement. We appreciate your input and questions.