The Turbosmart Gen V WG38/40 HP spring replacement kit provides high-pressure spring options for WG38 and WG40 GenV wastegates and is offered as a genuine replacement to service or rebuild those units. Turbosmart warns that springs are not always interchangeable across ranges; if uncertain, check part number recommendations on their website or contact Turbosmart for compatibility guidance.
Turbosmart Gen V WG38/40 HP Spring Replacement Kit