Blow-off valves play an important part of any forced induction system. The whole purpose is to vent off pressure to prevent a pressure surge from damaging the compressor blades on your turbo or centrifugal supercharger.
Designed with a two-piece Billet dome made from 6061 aluminum, and a black anodized finish.
All reference ports are 1/8 inch npt.
Our weld on flanges are thicker than our competitors; we did this to help the DIY guy who is just learning how to weld, and also help with preventing warpage.