Turbosmart's CompGate40 External Wastegates need a valve seat to perform optimally. Turbosmart's Valve Seat is the perfect match for Turbosmart CompGate40 (40mm) External Wastegates, ensuring that your wastegate operates at its best and gives you great performance. The Turbosmart Valve Seat is durable and designed to withstand high temperatures and pressures, making it an ideal choice for any turbocharged engine setup. With the Turbosmart Valve Seat, you can be sure your Turbosmart CompGate40 External Wastegate will provide excellent performance and reliable service. Get the most out of your Turbosmart External Wastegate with Turbosmarts Valve Seat the perfect fit for Turbosmart CompGate40 (40mm) External Wastegates. Turbosmart also offers spare Valve Seats, so you can quickly and easily replace the original in case of damage or wear. Make sure your Turbosmart CompGate40 External Wastegate is always running at its peak with Turbosmart's spare Valve Seat. Order yours today!