ADJUSTABLE RACING TURBO 30PSI electrical BOOST CONTROLLER RED&BLACK Features: Material: High Quality CNC Machine Aluminum Polarization Polishing Size controller: L: 3.2 inches wide: 0.75 inches H: 0.75 inches Color: Black Length of hose: 38.5 inches High performance manual pulse ~ 30 PSI capacity controlled from 0 Flexible control to increase power and torque Boost controller allows you to adjust the PSI rating without replacing the garbage spring, as well as replacing the garbage spring Use of professional installation is strongly recommended(not including instructions) Suitable for: Universal for any vehicle with turbocharge/booster engine Packing list: 1 Turbo Boost controller suite Be careful: 1. Because of the difference between different monitors, the picture may not reflect the actual color of the project. We guarantee that the style is the same as that shown in the image. 2. due to manual measurement and different measurement methods, please allow deviation of 1-3 cm. Thank you!