Universal 25mm Aluminium Turbo Blow Off Valve Bov with Whistler Adjustable & High Performance

description":"Blow Off Valves are eliminate compressor surge and preventing premature boost leakage, while increasing boost response between shifts. Each valve is made of billet aluminum frame and provides performance that cheap piston types cannot offer. Features: High precision aluminium valve body finished in anodised gun metal. Built-in spring prevents premature action under high boost. Adjustable spring tension to handle different boost levels. Return pipe can be used to prevent venting to atmosphere. 25mm port, universal design. Made by professional manufacturer, quality assurance. Specifications: Material: aluminium Color: black, rose red (optional) Port size: 25mm (please check on our pictures) Fit: universal Package size: 14 * 11 * 5.5cm / 5.5 * 4.3 * 2.2in Package weight: 196g / 7oz Package list: 1 * Turbo Blow Off Valve