The Garrett G-Series G40-1150 is a purpose-built turbocharger for high-output performance builds that demand serious power capacity without sacrificing response. Engineered for enthusiasts pushing into four-digit horsepower territory, this unit combines a compact G-Series footprint with ball bearing construction for quick spool and confident top-end delivery. It’s the choice for builders who need a turbo that can handle aggressive power goals while retaining tuning flexibility.
Specifications
- Compressor Wheel Inducer: 71mm
- Compressor Wheel Exducer: 88mm
- Compressor Wheel Trim: 65
- Compressor Housing A/R: 0.80
- Turbine Wheel Inducer: 77mm
- Turbine Wheel Exducer: 70mm
- Turbine Wheel Trim: 84
- Turbine Housing A/R: 1.19
- Turbine Housing Flange: V-Band In/Out
- Bearing Type: Ball Bearing
- HP Capacity: Up to 1,150 hp
Performance & Application
Built around a 71mm compressor wheel and 0.80 A/R compressor housing, this G40-1150 configuration is matched with a 77mm turbine wheel and 1.19 A/R turbine housing to balance strong airflow potential with responsive spool characteristics. The ball bearing core supports quick transient response, while the V-band in/out turbine housing design allows for flexible installation and simplified tuning across a range of high-performance setups. This configuration is suited for builders targeting up to 1,150 hp who need a compact, high-capacity turbo platform.
Frequently Asked Questions
- What HP can the G40-1150 support?
- This configuration delivers up to 1,150 hp capacity.
- Is this a ball bearing or journal bearing turbo?
- The G40-1150 features ball bearing construction.
- What is the turbine housing A/R ratio?
- This unit uses a 1.19 A/R turbine housing.
- What type of turbine housing flange does this use?
- It features a V-Band in/out turbine housing for flexible tuning and installation.
For enthusiasts building toward serious horsepower goals, the Garrett G40-1150 delivers the compressor efficiency, turbine response, and bearing durability needed to get there without compromise.

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