Manual Turbo Boost Controller Kit Aluminum Alloy 130PSI Adjustable Universal Fit1. Premium Material: The manual boost controller is made of high strength aluminum alloy material, which is sturdy in structure, wear resistant and durable.2. Main Function: To allow some pressure from the wastegate actuator to escape or bleed out to the atmosphere or back into the intake system.3. Fine Workmanship: The boost knob could adjust turbo pressure, which is professional manufactured, ensure stable performance and high reliability.4. Feature: The screw near the T fitting can be turned out to varying degrees to allow air to bleed out of the system, relieving pressure on the wastegate actuator, thus increasing boost levels.5. Easy Installation: Designed to be mounted in your car or under bonnet. The turbo engine controller kit with 10 pcs of installation accessories, which will make the installation easy.Specification:Item Type:ManualBoostControllerMaterial:Aluminum alloyWorking Pressure: 1-30 PSI adjustableFitment:Car universal fitPackage List:1 xManualBoostController Set (10 Pcs)