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Turbosmart WG38/40 5psi grey inner spring for external wastegate setups, offering a 5 psi boost reference for WG38 and WG40 wastegates. The spring is specified to deliver consistent, reliable boost control under demanding conditions while minimizing maintenance. Intended for external wastegate assemblies where a 5 psi inner spring is required to achieve the desired boost calibration.
Turbosmart WG38/40 5psi Grey Inner Spring
