This TiAL® V-Band Clamp is for connecting TiAL® Q and QR Blow Off Valves to your turbo system. One of these V-Band clamps is included with the purchase of a new TiAL® blow off valve, but if you need to replace that one for any reason, this is your solution. The clamping portion of this V-Band is precision machined aluminum and the hardware is stainless steel for lightweight, long lasting and corrosion free performance.