Turbocharger FlangeDischarge FlangeDischarge Flange; 4 Bolt; For GT30/GT35; 3 in. I.D.; 1/2 in. Thick;SPECIFICATIONS:Material: 1018 Mild SteelFlange Type: N/AThickness: 0.5 in. Hole Size: 10.32mmMatching Tube Size: 3 in.Finish: MachinedOutside Diameter: 100.55mmInside Diameter: 77mmProduct Width: N/AProduct Height: N/AFEATURES:1018 Mild SteelPrevents Warping Due To High HeatDesigned For GT30/35 Turbochargers w/o Internal Wastegate6 Month Limited WarrantyVibrant Performance offers a complete range of Turbo Flanges for your custom fabrication projects. Each flange is precision laser cut and CNC machined to ensure a perfect fit to your turbo components.Vibrant Performance was established in 1997 to design and produce Exhaust and Induction components for the Sport Compact