304 Stainless 38mm to 44mm Wastegate Adapter. This adapter is used for installing a Tial 44mm Wastegate, or Turbosmart wastegate onto a manifold flanged for 35mm, 38mm, delta-gate, evolution, Turbosmart, or other 2 bolt wastegates. Use with 2X 8mm x 25mm high strength hex bolts. Fully compatible with original Tial supplied wastegate v-band clamp. Precision investment cast from 304 stainless steel, and CNC machined for a perfect finish. This was upgraded form our original CNC steel piece for a better finish with out the rust!