Seller notes

UNIVERSAL ADJUSTABLE BILLET ANODIZED TYPE-H RFL TURBO BLOW OFF VALVE BOV100% brand new & high qualityThe 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...

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