NTN Japan Ceramic Dual Ball Bearing. Bearing system. Wheel : 46.5 mm / 60.1 mm/Trim 60 (11+0 GTX Billet Wheel w/ Extend Tip). Turbine Wheel: 42.0 mm / 53.0 mm / Trim 62. Turbo CHRA # : 446179-12, 446179-38.
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