ApplicationBlow Off Valve: 38mm Flange Diameter; Includes 8PSI / 14PSI Springs Size of Springs: 37.5mm x 90.6mm CNC Machined Billet Aluminum Body Easy Assembly,Aluminum Inlet/Outlet Flange and Stainless Steel V-Band Clamp Exhaust Gas Cleaning & Recirculation Hard-Anodized Valve for Increased Air Flow Powder-Coated Anodized and Polished Finish Color: Black Condition: 100% Brand New Warranty: one year for any manufacture defects Package Includes: * 38mm External Wastegate * Aluminum Flange * V-band Clamp (You will get exactly as shown in the picture above)Note* Professional installation is highly recommended (No Instruction Included) * For any needs please contact us