38mm External Wastegate 4 PSI Description 304 Stainless Steel Body 304 Stainless Steel Valve T6061 Aluminum Top Cover Silicone Diaphragm Kit Includes (1) Wastegate (1) Stainless Steel Valve Seat (2) Stainless Steel Flanges (4) Gasket & Mounting Bolt (2) Banjo Fitting Notes Most orders will be shipped within one to 4 days after payments received. We do not ship on weekends or national holidays. Due to rare but potential variation in postal process, please reconsider if the purchase is urgent.