30-PSI ADJUSTABLE GOLD RFL ALUMINUM TURBO BOOST TURBOCHARGER BLOW OFF VALVE BOV Fog Light Assemblies 2000-2004 Compatible for Audi A4

2000-2004 Compatible for Audi A4 Avant 8E5

1996 MERCURY COUGAR 3

Manufacturer Part Number: E81913901CP

Bare Finish (Will Require Primer / Paint)

30-PSI ADJUSTABLE GOLD RFL ALUMINUM TURBO BOOST TURBOCHARGER BLOW OFF VALVE BOV Fog Light Assemblies 2000-2004 Compatible for Audi A4The Blow Off valve (BOV) is a pressure relief device on the intake tract to prevent the turbo's compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. Surge can eventually lead to thrust bearing failure due to the high loads associated with it. Blow Off valves use a combination of manifold pressure signal and spring force to detect when the throttle is