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Boost Control Valve, N75b, Stock Audi 2.7T

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078 B Valve - This valve is stock on all 2.7T motors and is an excellent stock replacement.


  • 078 906 283B

These valves are a "bleed" type valve, boost signal pressure to the WG is bled off to raise boost, simple 2-wire PWM solenoid. 


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