The Forced Performance Green XR57SR turbocharger for Mitsubishi Evo 9 is a ball-bearing unit with a stainless-steel turbine housing, specified for Evo IX applications. The XR57SR mapping denotes a particular sizing used by Forced Performance; this ball-bearing SS-housed turbo is aimed at Evolution 9 builds that prioritize reduced rotating mass and durable turbine construction.
Forced Performance Mitsubishi Evo 9 Green XR57SR Turbocharger Ball Bearing SS Turbine Housing