Radium Subaru Injector Seat Kit, 26Mm, 4 Cylinder Radium Fuel Pressure Regulator With 4 Bar Bosch Regulator This enables the Smart Port

This enables the Smart Port BOV to work like both a bypass AND vent to atmosphere valve in one while also eliminating stalling and significantly reducing the chances of low-speed compressor surge

it’s far more durable and guards against compressor surge even when the boost is turned up

Like the Radium Engineering Dual Catch Can Kit

To reuse the factory fuel feed line

- Basic and advanced control modes

Radium Subaru Injector Seat Kit, 26Mm, 4 Cylinder Radium Fuel Pressure Regulator With 4 Bar Bosch Regulator This enables the Smart PortCNC machined Aluminum; Laser etched and anodized; Required to convert injectors to top feed in earlier Subaru engines