This is NOT a genuine Forge BOV. This is what is known in the business as a "knock-off".
This BOV attaches to the I/C piping via a hose barbed fitting at the bottom (25mm (1") diameter). The discharge port is also a very similar hose barbed fitting (25mm (1') diameter).
Also includes two additonal valve springs to accomodate a variety of boost pressures at which the BOV opens. This blowoff valve can easily be recirculated by attaching a hose to the discharge port, or can also be vented to atmosphere.
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