For Tial Blow Off Valve BOV 50mm Spring - 11 Psi Un-Painted 🇺🇸 USA Seller Q QR •Volkswagen and Fuel Pressure Gauge

and Fuel Pressure Gauge

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For Tial Blow Off Valve BOV 50mm Spring - 11 Psi Un-Painted 🇺🇸 USA Seller Q QR •Volkswagen and Fuel Pressure GaugeFor Tial Blow Off Valve BOV 50mm Spring 11 Psi Un Painted USA Seller Q QR Used to change out the spring pressure on the Tial 50mm BOV to affect the BOV response tuning to reduce compressor surge (different spring levels affect amount of vacuum required on each engine to open the BOV on throttle release) Product Disclaimer: This product is not designed to meet emissions noise standards and is not for street or highway use. This product is not certified