Applications: Suitable for all turbocharged vehicles with an external wastegate turbo system. Street and racing applications. Flanges suit 1 5/8Ó outside diameter tubing. The new Ultra-Gate38 is a 38mm external wastegate for street and racing applications. Designed with minimum size and maximum flow in mind, the new Ultra-Gate38 is smaller and lighter than the previous model and features TurbosmartÕs unique locking collar design for quicker spring changes and a one piece, stainless steel valve. Supplied With: Gaskets, Mounting Bolts, Locking Collar Removal Tool, Valve Seat, Brown/Purple 7psi Middle Spring (installed), 1/16 NPT hose barb fittings (5mm), and Port Blanking Plugs.