The Garrett G25-550 Reverse Rotation turbocharger is built for enthusiasts and builders who demand small-frame packaging without sacrificing serious top-end power. Paired with a stainless steel V-band turbine housing, this ball bearing unit is engineered for platforms requiring reverse rotation configuration and rapid, efficient spool. It’s the choice for tuners who need a compact, high-flow solution capable of supporting substantial horsepower in space-constrained engine bays.
Specifications
- Compressor Wheel Inducer: 48mm
- Compressor Wheel Exducer: 60mm
- 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 Wheel Material: Mar-M Alloy, 1050 Celsius Rating
- 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 System: Ball Bearing
- Rotation: Reverse Rotation
- Frame Size: Small Frame
- HP Capacity: 550HP
- Garrett P/N: 871390-5004S
- Alternate P/N: 871399-5001S
- Alternate P/N: 740902-0073
Performance & Application
The G25-550 Reverse Rotation delivers ultra-high flow performance through its evolutionary aero G-Series compressor wheel design, engineered to extract maximum efficiency from a small-frame footprint. Its G-Series turbine wheel, constructed from high heat resistance Mar-M Alloy, is built to withstand extreme thermal loads while maintaining durability at the top of its power band. This turbocharger is suited for builds requiring reverse rotation compatibility, delivering strong response and the ability to support up to 550 horsepower from a compact package. It’s an ideal fit for enthusiasts prioritizing both packaging constraints and serious power output.
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 G25-550 support?
- The G25-550 is capable of supporting up to 550HP from its small frame package.
- Is the G25-550 a ball bearing or journal bearing turbocharger?
- The G25-550 is an advanced ball bearing turbocharger.
- What turbine housing flange and A/R does this unit use?
- This turbocharger includes a Garrett stainless steel V-Band Inlet & V-Band Outlet turbine housing with a .72 A/R.
- What material is the turbine wheel made from?
- The turbine wheel is made from high heat resistance Mar-M Alloy with a 1050 Celsius Rating.
- What are the alternate part numbers for this turbocharger?</strong
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