niversal Jdm 50mm V Band Blow Off Valve BOV QR Typer w/ Weld On Aluminum Flange with logo K8-BOV50QRInstructions not includedProfessional installation recommendedWill come with everything you see in the pictureFor use on turbo-charged and super-charged applications The body and all internal components are CNC-machined from 6061 aluminum alloy. It features a large 1.98 in (50.5mm) valve. Built for Easy Installation; Weld-On Aluminum Flange,O-Ring and Stainless Steel V-Band Clamp IncludedColor:Blue/Black/Red/PurpleIncluded with Every Q BOV: QR BOV Assembly TiL V-Band Clamp V-Band Weld Flange High Pressure O-Ring TiL Air Fitting same as photo showMounting hardware included