Gen4 WG50/60 10PSI MID SPRG-BLK/BLU Bosch Turbosmart's 25mm Plumb Back Fitting

Turbosmart's 25mm Plumb Back Fitting will help ensure the longevity of your Turbosmart BOVs

The Big Bubba O-Ring Kit includes two large Turbosmart Big Bubba O-rings

The Plumb Back is a fully recirculating blow-off valve that offers a similar sound volume to the standard valve

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Gen4 WG50/60 10PSI MID SPRG-BLK/BLU Bosch Turbosmart's 25mm Plumb Back FittingTurbosmarts Gen4 WG50 60 10PSI Middle Spring Black Blue is a must have for External Wastegate setups. This spring provides the ideal boost pressure for any turbocharger, ensuring consistent and reliable performance even under extreme conditions. Turbosmarts design ensures that this spring will last for years, providing maximum performance with minimal maintenance. With Turbosmarts Gen4 WG50 60 10PSI Middle Spring Black Blue, you can trust that your