Spectra Premium Spectra Turbocharger TC1101 Fit tested to guarantee easy installation and validated for performance in the vehicle Cast from high quality alloys matching Original Equipment Manufacturer (OE) material composition for superior heat handling, thermal, shock & corrosion resistance Turbine wheel material comprised of nickel based alloy for high heat creep and corrosion resistance Turbine and compressor map matching Original Equipment Manufacturer (OE) performance for a high boost performance and efficiency All necessary hardware and gaskets included for ease of installation