The Garrett G55-2900 106mm Supercore is a purpose-built cartridge assembly for the most demanding drag racing applications, engineered for builders chasing extreme horsepower with uncompromising reliability. This is the complete rotating assembly without a turbine housing, giving racers and shop builders the flexibility to pair it with the exact turbine housing configuration their setup requires. It’s the choice for teams running Radial vs The World and X275 competition who need proven G-Series performance at the core of their build.
Specifications
- Compressor Wheel Inducer: 106mm
- Turbine Wheel Exducer: 106mm (+4mm compared to GTX55)
- Turbine Wheel Material: Inconel
- Turbine Flow Increase: Up to 15% more flow compared to GTX Gen II
- Bearing System: 16mm dual ceramic ball bearing
- Center Housing: One-piece aluminum, air-cooled
- Oil Inlet/Outlet: Retains oil inlet and outlet specifications from previous GTX designs
- Outline Compatibility: Interchangeable with GTX Gen II turbos
- Horsepower Capacity: Supports nearly 3000 horsepower






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