Torque Solution Billet Thermostat HousingTorque Solution Billet Thermostat Housing for Subaru EJ Engines is the perfect complement to add to your engine build to give it that extra personal touch. CNC'd from 6061 T6 billet aluminum and then anodized black for corrosion resistance. Not only does it look amazing, but it provides efficient and smooth coolant flow in your coolant system. Features: CNC'd 6061 Billet Aluminum Black Anodized w Torque Solution Logo Zinc Install Hardware Limited