The Garrett G-Series G45-1350 is a purpose-built turbocharger unit engineered for extreme horsepower applications where airflow, response, and durability cannot be compromised. Paired with a T4 divided turbine housing, this unit is designed for serious builders targeting massive power figures without sacrificing turbine-side efficiency. It’s the choice for enthusiasts and race teams building toward the outer limits of boosted performance.
Specifications
- Compressor Wheel Inducer: 72mm
- Compressor Wheel Exducer: 102mm
- Compressor Wheel Trim: 51
- Compressor Housing A/R: 0.85
- Turbine Wheel Inducer: 89mm
- Turbine Wheel Exducer: 82mm
- Turbine Wheel Trim: 84
- Turbine Housing: T4 Divided, 1.15 A/R
- HP Capacity: Up to 1350HP
- Bearing Type: Ball bearing
Performance & Application
Built for extreme boost applications, the G45-1350 is engineered for platforms demanding serious airflow and aggressive power targets. Its ball bearing construction supports the spool characteristics needed for high-horsepower builds while maintaining the turbine-side efficiency of the T4 divided housing. This unit is suited to enthusiasts pushing well beyond stock power levels, where sustained airflow capacity and top-end output are the priority.
Frequently Asked Questions
- What HP can the G45-1350 support?
- The Garrett G45-1350 is capable of supporting up to 1350HP.
- Is the G45-1350 a ball bearing or journal bearing turbocharger?
- The G45-1350 features ball bearing construction, supporting extreme boost applications.
- What turbine housing comes with the G45-1350?
- This unit is paired with a T4 divided turbine housing with a 1.15 A/R ratio.
- What is the compressor housing A/R ratio on the G45-1350?
- The compressor housing on the G45-1350 features a 0.85 A/R ratio.
For builds targeting elite horsepower numbers, the Garrett G45-1350 delivers the airflow capacity and ball bearing durability required to get there without compromise.

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