Universal Compact Aluminum Adjustable V-band JDM External Turbo Wastegate Purple CNC billet aluminum T6061 housing for heat disbursement 35mm 38mm Compact VBand Flange set up for Turbo Applications. Inconel Base Housing with Forged Stainless Steel Valves Construction Heavy Duty Actuator Diaphragm withstands Temperatures up to 490 Degrees Celsius High Temperature Silicone Reinforced Actuator Diaphragm Inner Design