Specifications
- Model: GXR55-88mm GXRace
- Ported Shroud Surge Slot Width: 0.18″
- Turbine Wheel: 103mm (103TW)
- Class Rating: X275
- Product Line: GX-Race55
- Garrett P/N: 934174-5008S
Wheels
- Compressor wheel: 88.9 mm inducer, 133 mm exducer
- Turbine wheel: 112 mm inducer, 103 mm exducer, 86 trim
These are the wheel sizes Garrett publishes for the GXR55-88 with the 0.18″ map groove supercore.

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