Constructed from premium quality aluminum material, long service life. Compact size for easy placement in the engine compartment. Ball spring closed-loop design, lock firmly nut to avoid adjustment changes. It helps relieve pressure on the exhaust bypass valve actuators, thus increasing the pressurization level. It allows some pressure from the exhaust bypass valve actuator to escape or discharge into the atmosphere or back into the intake system. Product net weight: 42g Color: black purple gold silver red blue Material: aluminum alloy Quantity: 1PCS Packing list: 1*Car turbo controller Only the above package contents are included, other products are not included. Note: Reflection of light and different monitors may cause the item's color to be slightly different from the actual item. Measurements allow +/- 1-3 cm.