Turbosmart Ultra-Gate 38mm External Wastegate38mm Turbosmart wastegate for street and racing applications. Small and lightweight, the Turbosmart UltraGate38 provides high end features and build quality at an entry level price. Suitable for all turbocharged vehicles with an external wastegate turbo system. Flanges suit 1. 50 outside diameter pipe. SUPPLIED WITH: 7 psi spring (fitted), valve seat, 2 x stainless steel gaskets, mounting bolts and 2 x 1 8 NPT vacuum fittings.