HKS is very proud to announce its release of the new SSQV4 BOV Kit and the application Specifica Blow-Off Valve kits. This SSQV4 is perfectly fit for your Nissan Silvia PS13 with an SR20DET engine. Also, the new version of the SSQV4 BOV Kit features a nickel-plated, die-cast metal secondary valve, which is swaged to the primary valve, a stainless steel C-Clip, and a spring to increase sealing and durability but the reliable functionality of all previous versions remains unchanged.
