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The Turbosmart Gen4 WG40 valve seat is engineered to fit Turbosmart Comp-Gate40 (40mm) external wastegates, providing a precise sealing surface for reliable boost control. Built with robust construction for repeatable performance, the valve seat includes the necessary hardware for straightforward installation so it fits accurately into Comp-Gate40 wastegates and supports consistent wastegate operation.
Turbosmart WG40 Valve Seat
