OEM Replacment Turbo - Polaris Lighter turbine OEM, Less turbo lag compaired to stock because of lighter turbine, Custom CNC milled turbine, Longer Turbo life with billet wheel as intake temps are cooler with a more efficient design, Stock Turbo specs 39/40 inducer/exducer, 6+6 Billet compressor wheel, 360? Thrust bearing system, Stock turbo hits CFM ceiling at ~20psi above this point the turbo will just create boost by increasing the temperature, Requires billet drain tube if turbo is a bolt together center oil section the newer V-band clamp center section., If adding this to a XP Turbo Model select the water cooled upgrade kit.