BOV Blow Off Valve Spacer Adapter For Audi For VW 2.0T TSI TFSI MK5 GTI TT B7 A4 Transmission Parts 5" 64mm Polish Aluminum Intercooler

5" 64mm Polish Aluminum Intercooler Pipe Blue Hose Tbolt Clamp Intercooler Kit

compatible for NISSAN PRIMASTAR Box (X83) dCi 80 09

compatible for BMW Z8 4

Acura / Honda Replacement 2-Piece Billet Aluminum 7/8" Hood Spacers Riser Kit + Extended Bolts

KW: 177/203

BOV Blow Off Valve Spacer Adapter For Audi For VW 2.0T TSI TFSI MK5 GTI TT B7 A4 Transmission Parts 5" 64mm Polish Aluminum IntercoolerThe 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