The Turbosmart IWG-75 internal wastegate actuator (GT22, 5 psi) is an upgraded internal actuator developed to improve turbo response and boost sensitivity versus factory units. It features Turbosmart's enhanced working ratio and component upgrades; options such as spring choices and a locking collar are available to tune boost control for specific applications.
Turbosmart IWG75 GT22 5 PSI Black Internal Wastegate Actuator