The Garrett Supercore G-XRace GXR45-73 delivers the rotating heart of one of Garrett’s most capable high-output turbochargers, built for enthusiasts and race teams chasing serious horsepower without compromise. This Supercore is engineered as the foundation of a complete G-XRace45 turbo build, giving builders the flexibility to pair it with the turbine housing that matches their specific application. For those who demand genuine Garrett engineering at the core of their forced induction system, this is the starting point for a build designed to perform at the top of its class.
Specifications
- Compressor Wheel Inducer: 73.9mm
- Compressor Wheel Exducer: 102mm
- Compressor Wheel Trim: 52
- Compressor Housing A/R: 0.85
- Turbine Wheel Inducer: 89mm
- Turbine Wheel Exducer: 82mm
- Turbine Wheel Trim: 84
- HP Capacity: 1550HP
- Garrett P/N: 934173-5004S
- Also Known As: 73mm GXRace, GXR45-73
Performance & Application
The GXR45-73 Supercore is built for high-horsepower applications where reliability and top-end capacity are non-negotiable, supporting up to 1550 horsepower once assembled into a complete turbocharger. As a Supercore, it requires a turbine housing to be added to complete the unit, giving builders control over the housing configuration that best matches their engine and goals. The G-XRace45 platform shares its turbine housing compatibility with the G-Series G45 turbo, streamlining sourcing for shops and enthusiasts already familiar with that lineup. This core is intended for serious performance builds where maximizing output and durability at the upper end of the power band is the priority.
Frequently Asked Questions
- What HP can the GXR45-73 support?
- The Garrett Supercore G-XRace GXR45-73 is rated at 1550HP capable.
- Is this a complete turbocharger or a Supercore?
- This is a Supercore. A turbine housing of your choice must be added to complete a full turbo unit.
- What turbine housing fits the GXR45-73 Supercore?
- The G-XRace45 uses the same turbine housing as the G-Series G45 turbo.
- What does GXR45-73 refer to?
- GXR45-73 refers to the 73mm GX-Race45 platform.
For builders targeting elite horsepower numbers with genuine Garrett engineering, the Supercore G-XRace GXR45-73 provides the proven core needed to build a turbo capable of handling serious power reliably.
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