The Garrett G25-585 Reverse Rotation CHRA represents the next evolution of Garrett’s proven G-Series platform, engineered for enthusiasts and builders seeking a direct performance upgrade from their existing G-Series Gen I turbo. Built with new compressor aero technology, this core assembly is the ideal choice for those who already own G-Series housings and want to unlock additional flow and efficiency without replacing their entire turbo system. It’s a purpose-built solution for serious builds demanding more power from proven Garrett architecture.
Specifications
- Model: G25-585 Reverse Rotation
- Rotation: Reverse rotation configuration
- Compressor Flow Improvement: Up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM
- Turbine Wheel Material: Mar-M alloy
- Turbine Wheel Temperature Rating: Rated up to 1050° C
- Turbine Housing Material: Stainless steel
- Turbine Housing Temperature Rating: Rated up to 1050° C
- Inlet V-Band Flange (For Turbo Manifold): ATP-FLS-350
- Outlet V-Band Flange (For Down-pipe): ATP-FLS-351
- Oil Drain Flange: ATP-FLA-010
- Oil Drain Gasket: GRT-GSK-008
- Oil Drain Fasteners: MIA-FST-034
- Boost Pressure Port Fitting: ATP-FTG-198
- Speed Sensor Kit: ATP-ACS-032
- Garrett P/N: 934113-5001S
Performance & Application
This G-Series II CHRA is designed as a direct up

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