Turbosmart Gen V Race Port BOV Blow Off Valve 50mm

The Gen V RacePort is Turbosmart’s ultimate compact, high‑flow blow‑off valve—designed for serious race engines.¹ It flows up to 330 CFM through a 50 mm port, outperforming typical blow‑off valves while being 50% lighter and 25% smaller.¹
Key Features:
Billet 6000-series aluminum body, exceptionally strong and lightweight
CFD-optimized internals for efficient airflow at extreme boost¹
Quick-release aluminum V-band collar for fast installs or spring swaps
Milspec hard-anodized stem & guide, plus a Nomex-silicone diaphragm for high-temp durability¹
Positive-sealing valve seat ensures reliable engagement under any condition¹
Dual 1/8″ NPT vacuum reference ports, offering mounting flexibility¹
Includes a blue spring (-18 to -14 in Hg) with options for five factory-configured spring rates¹
Performance:
Tested beyond 2,500 HP turbo engines, with no failures reported¹
Can cope with boost levels over 8 bar (~120 PSI)—hasn’t been stress-limited in real use¹
Package Includes:
Gen V RacePort BOV
V-band assembly + 2″ aluminum weld flange / female flange (fits Tial-style)*
1/8″ NPT fitting kit
Installed blue spring (-18 to -14 in Hg) + Turbosmart decal¹
* Available in Universal option only
Switch Spring Easily:
Twist off the collar to access the diaphragm and spring. Multiple aftermarket tuners report easy spring swaps directly in‑place—no disassembly required.³
Note: This is a race-only product (no CARB approval) with a California Proposition 65 warning. Not legal for emissions-controlled street vehicles in certain regions