Gen4 / IWG WG38/40/45/50L 5PSI INNER SPRING - BROWN/GREY Tune This adapter ensures compatibility between

This adapter ensures compatibility between Turbosmart products and will provide reliable performance and operation

Boost by RPM

Haltech stickers and a fabric keyring tag

long-lasting seal between the Turbosmart products and whatever they are fitted to

Gen4 / IWG WG38/40/45/50L 5PSI INNER SPRING - BROWN/GREY Tune This adapter ensures compatibility betweenTurbosmart's springs are designed to work with our Plumb Back, Dual Port and Supersonic blow off valves. They offer a wide range of spring rates to suit your driving style and application. Turbosmart's springs are made from high quality materials and are designed to maintain the peak performance of your blow off valve under the most extreme conditions. Choose from our selection of Turbosmart springs to get the perfect fit for your car and the best