Applications: Suitable for high performance turbocharged engines with an external wastegate turbo system. Suits 2.00Ó outside diameter tubing. Fits older-style Pro-Gate48 and Power-Gate50 flanges. 50mm external wastegate. Combining a compact body, superior flow path and high temperature resistance makes the Pro-Gate50 a market leader in its sector. Shielded diaphragm housing ensures excellent heat handling capabilities. Supplied With: Inlet and Outlet Stainless Weld Flanges, Inlet and Outlet V-Band Clamps, Valve Seat, 1/8 NPT Hose Barbs (7mm), 1/8 NPT Port Blanking Plugs, Black/White 7psi Inner Spring (installed) and Black/Blue 10psi Middle Spring (spare in box).