For Tial Blow Off Valve BOV 50mm Spring - 11 Psi Un-Painted 🇺🇸 USA Seller Q QR •Volkswagen BlackPath's Block Guard

BlackPath's Block Guard

• Mates to the all the factory hoses for a perfect OEM fitment

Please check that the picture matches before purchase

Radiator Coolant Reservoir Overflow Tank

For Tial Blow Off Valve BOV 50mm Spring - 11 Psi Un-Painted 🇺🇸 USA Seller Q QR •Volkswagen BlackPath's Block GuardFor 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