Here, you are looking at the Tial QR 50mm Recirculating Blow-Off Valve. This blow-off valve is based on the Tial High-Performance Q. This is a recirculating model that will put the vented boost back into the intake. This blow-off valve is highly utilized and coveted among enthusiasts and professional race teams alike due to the build quality, longevity, and most importantly the performance. The QR 50mm Recirculating Blow-Off Valve will perform exceptionally from mid to high-powered street cars, to track-dedicated race cars and rally cars.
Black finish option
QR is a recirculating valve based on the high-performance Tial Q.
Uses the standard Tial V-band flange and can be converted into a standard Q BOV by swapping the bottom piece
For use on turbocharged and supercharged applications (Paxton, Vortec)
The body and all internal components are CNC-machined from 6061 aluminum alloy materials
Features a large 1.98 in (50.5mm) valve
The V-band design aluminum mounting clamp gives a very clean and unique appearance and uses stainless steel hardware for a long-lasting corrosion-free appearance
The valve seat utilizes a Viton O-ring that is clamped in place to prevent the possibility of sticking to the seat and pulling out
The valve stem and guide are Teflon-lubricated and hard anodize-coated for wear resistance
The blow-off valve also comes with our own machined aluminum banjo-type air fitting and bolt, with oversized 10mm hose barb for quick actuator response
The actuator has a high temp silicone Nomex-reinforced diaphragm for long life
Includes aluminum weld-on base, v-band clamp, hardware, and fittings