Seller notes

Q Series 50mm Blow Off Valve BOV fits TIAL Flange & Springs BLACK VERSION 2 with 18PSI Internal Spring.The Q Series is the absolute best blow off valve on the market for highly modified turbocharged and supercharged vehicles, with a staggering 60% more airflow than the original BV50 design, reducing blowback on high PSI applications. CNC Machined to the highest standards from 6061 Aluminum, the Q Series features a large 1.98" (50.5mm) valve, which makes it among the largest in the world. A singl...

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