TYPE RS BOV 2.5" FLANGE INLET TURBOCHARGER PURPLE TURBO BOOST BOV BLOW OFF VALVE EGR DELETES Front Disk minimum thickness: 36

Front Disk minimum thickness: 36 mm

ENG CODE "G4DM"

Four Seasons: 57139

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1980-1983 Oldsmobile Cutlass Cruiser Base V6 3

TYPE RS BOV 2.5" FLANGE INLET TURBOCHARGER PURPLE TURBO BOOST BOV BLOW OFF VALVE EGR DELETES Front Disk minimum thickness: 36The 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