Compressor Wheel : 53.1 mm / 71.0 mm / Trim 56 (11+0 GTX Billet Wheel w/ Extend Tip). Turbine Flange: STD SUBARU Triangle Flange. Ceramic Dual Ball Bearing (NTN Japan). Bearing / Cooling. 8 x 8mm Stud Kit with copper-coated nut.
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