Information?? High quality chassis partseries products. Made with high strength steel tubing for superior strength and durability. Stable performance, reliable quality and long service life Uniform thickness, no blow holes, slag, cracks, tearing, or incomplete fusion. Measured by specialized inspection tools after welding to make sure assemble hole , bushings insert, and installation sizes are proper. Professional InstallerisHighly Recommended(No Instruction Included) Alignment Highly Recommended After Install Condition: New Fitment Type: Direct Replacement Turbine Wheel: 80mm/73mm Cast Inconel Material for high-temperature operation Turbine Housing: 0.91 A/R T4 twin-scroll Inlet, 4.21” Marmon Flange Outlet Cast Compressor Wheel: 66mm/91.4mm, 7+7 blades Compressor Housing 4.00″ ported anti-surge air inlet / 2.5″ charge pipe outlet -SpeciaL Twin hydrodynamic journal bearings Extended tip technology Cast compressor wheel Recommend application hoursepower: 400-750HP Fit Vehicle: Universal turbo for performance use,racing car etc; If boost pressure higher than 2.5 Bar,it will significantly reduce the turbo lifespan and may result in damaging of you engine. Reference Turbo Part Number: 177275 Each turbo is VSR-BALANCED at over 150,000 RPM, Ready to install. Please check the Turbo Model, Turbo Part Number and OEM Part Number on your turbo to make sure it’s the right one for your engine. If you are not sure about these information, please feel free to contact us Professional installation is highly recommended (No Instruction Included)Package Content?? 1X Turbo Charger