Q is the first revision of the original TiAL BOV. The Q bolts up to any standard TiAL flange, no re-welding. This is the highest flowing BOV on the market. It's offered with a variety of springs for different vacuum levels and a special spring specifically for supercharged vehicles.
TiAL Vband Clamp
Vband Weld Flange
TiAL Air Fitting
High Pressure O-ring
Return fitting of choice (installed on unit)