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This TiAL Sport Q BOV 12 PSI spring in silver is a calibrated replacement spring for TiAL Q-series blow-off valves, set to a 12 PSI opening threshold. It lets installers change the valve's factory opening point to the supplied spring rate, offering a straightforward mechanical way to tune venting behavior without altering the valve body.
TiAL Sport Q BOV 12 PSI Spring - Silver
