The Garrett G55-1850 Supercore is a purpose-built core assembly for extreme horsepower applications, engineered for racers who demand the highest levels of performance and reliability from their turbocharger system. Designed around Garrett’s latest G-Series aerodynamics, this 85mm compressor supercore delivers the flow capacity and rotor dynamics required for the most demanding drag racing environments. This configuration is sold without a turbine housing, giving builders the flexibility to select the housing configuration that best matches their manifold and application.
Specifications
- Compressor Wheel Inducer: 85mm
- 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
- HP Capacity: Supports nearly 3000 horsepower
- Frame Size: G55
- Configuration: Supercore (without turbine housing)
- Housing Interchangeability: Outline interchangeable with GTX Gen II turbos
- Oil Inlet/Outlet: Retains oil inlet and outlet specifications from previous GTX designs
- Garrett P/N: 880547-5001S






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