Gen4 WG38/40/45/50L HP 10 PSI Inner Spring Brown/OrangeGen4 WG38 40 45 50L HP 10 PSI Inner Spring Brown Orange Upgrade your turbo setup with the Gen4 WG38 40 45 50L HP 10 PSI Inner Spring Brown Orange, a genuine Turbosmart wastegate designed for precise boost control, thermal stability and long term reliability. Turbosmart's WG38 40 45 HP 10 PSI Inner Spring Brown Orange is a must have for external wastegate setups. This spring provides the ideal boost pressure for any turbocharger, ensuring consistent