50MM ALUMINUM PURPLE TURBO TURBOCHARGER BOV BLOW OFF VALVE TRUMPET 35 PSI BOOST Fuel System 2L 376CID V8 FLEX OHV

2L 376CID V8 FLEX OHV

compatible for Audi 80 1988-1992

LESTER: 11047

8C3Z2523201C

Interchange Part Number: For UF196 Ignition Coil Pack

50MM ALUMINUM PURPLE TURBO TURBOCHARGER BOV BLOW OFF VALVE TRUMPET 35 PSI BOOST Fuel System 2L 376CID V8 FLEX OHVThe 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