In good quality.
Made of aluminum.
The valve can be easily adjusted by turning the top of the valve to adjust spring pressure and can be done whilst fitted to the vehicle.
The valve can vent to atmosphere or recirculate or both.
All 25mm fitments that includes:
All VAG 1.8TEngines(fitted in the Golf, Polo, Audi A3, S3, A4, TT, Passat, Seat Leon,Ibiza, Cupra, and many others)
Saab Turbo(check before purchase as Saab have an extremely high number of Turbo engines)
and other like Fiat Punto GT& Coupe,Porsche Bi TurboUnits,Renault 5 GTTurbo......can fit many other vehicles,not only shown above.
1 x 25mm Dual Port Blow Off Valve