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The Turbosmart Gen-V WG38/40 14 psi red outer spring provides a 14 psi outer spring rate for WG38/40 external wastegates. It is supplied as a drop-in hardware component to set the outer spring pressure and tune boost thresholds in externally mounted wastegate assemblies. Use it to adjust overall wastegate spring stacking for targeted boost control within WG38/40 applications.
Turbosmart Gen-V WG38/40 14psi Red Outer Spring
