The Turbosmart Gen4 IWG Diaphragm Replacement Suit Twin Port Or HP IWG75 Actuators is the perfect choice for a high-performance upgrade. The Turbosmart actuator has been designed with premium materials and technology to deliver maximum response and boost control for your vehicle. This replacement suit includes all necessary hardware, including four O-rings, one diaphragm, four stainless steel screws and two metal clamps. With this kit, you'll be able to easily install the Turbosmart Gen4 IWG actuator in place of your existing standard or HP IWG75 configuration. Whether upgrading from a stock setup or replacing an old worn, out actuator, Turbosmart's Gen4 IWG Diaphragm Replacement Suit Twin Port Or HP IWG75 Actuators will give you the reliable performance you need. Upgrade your car today with Turbosmart's Gen4 IWG Diaphragm Replacement Suit Twin Port Or HP IWG75 Actuators and experience incredible power and response. Replacement Diaphragm for twin port IWG-75 actuators. Does Not Suit Gen4 Single Port / Standard Internal Wastegate Actuators, GenV IWG Internal Wastegate Actuators. Universal