The Garrett G25-660 Standard Rotation turbocharger is engineered for enthusiasts and builders who demand serious power density without stepping up to a larger frame. Built around Garrett’s advanced small-frame ball bearing architecture, this unit is the choice for those chasing big horsepower numbers while keeping packaging compact and spool characteristics sharp. This V-Band configuration with a .72 A/R turbine housing is purpose-built for installations where quick response and efficient exhaust flow both matter.
Specifications
- Compressor Wheel Inducer: 54mm
- Compressor Wheel Exducer: 67mm
- Compressor Wheel Trim: 65
- Compressor Housing Inlet: 3 Inch Diameter
- Compressor Housing Outlet: 2 Inch Diameter
- Compressor Housing A/R: .70
- Turbine Wheel Inducer: 54mm
- Turbine Wheel Exducer: 49mm
- Turbine Wheel Trim: 84
- Turbine Housing A/R: .72
- Turbine Housing Inlet: 3 Inch O.D. V-Band
- Turbine Housing Outlet: 3.55 inch O.D. V-Band
- Bearing Type: Ball Bearing
- Turbine Wheel Material: Mar-M Alloy, 1050 Celsius Rating
- HP Capacity: 660HP
- Garrett P/N: 871389-5010S
- Alternate P/N: 858161-5003S
- Alternate P/N: 740902-0069
Performance & Application
The G25-660 is designed to deliver 660HP from a small frame package, making it well suited for builds that need strong top-end capability without sacrificing the responsiveness of a compact turbocharger. Its Ultra High Flow G-Series Compressor Wheel works alongside an evolutionary aero G-Series Turbine Wheel to maximize efficiency across the operating range. The high heat resistant Mar-M Alloy turbine wheel construction allows this unit to withstand demanding, high-temperature exhaust environments. This configuration, with its stainless steel V-Band inlet and outlet turbine housing, is intended for enthusiasts building serious performance applications who require both fast response and sustained high-output capability.
What’s Included
- Oil Feed (1mm) Restrictor Fitting to -4AN
- Two Coolant Fittings to -6AN
- Turbine Housing Inlet & Outlet V-Band Clamps
Frequently Asked Questions
- What HP can the Garrett G25-660 support?
- The G25-660 delivers 660HP from a small frame package.
- Is the G25-660 a ball
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