The Garrett G-Series G40-1150 is a purpose-built turbocharger for enthusiasts and builders chasing serious power without sacrificing throttle response. Featuring a 71mm compressor wheel paired with a V-band in/out turbine housing, this unit is engineered for high-output applications that demand both flexibility and durability. It’s the turbo of choice for those building toward four-digit horsepower while still wanting a broad, usable powerband.
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: 1.06
- Turbine Housing Configuration: V-Band In/Out
- Bearing Type: Journal Bearing
- HP Capacity: 1,150 HP
Performance & Application
Designed for high-demand performance builds, the G40-1150 delivers responsive boost thanks to its 71mm compressor wheel and 0.80 A/R compressor housing. The V-band in/out turbine housing with 1.06 A/R allows for flexible exhaust tuning, making it adaptable across a variety of high-performance setups. Its journal bearing design provides reliable performance for builders pushing toward the upper end of the turbo’s horsepower capacity.
Frequently Asked Questions
- What HP can the G40-1150 support?
- The G40-1150 is rated for 1,150 horsepower capacity.
- Is this a ball bearing or journal bearing turbocharger?
- The G40-1150 uses a journal bearing design, providing reliable performance across high-demand applications.
- What turbine housing configuration does the G40-1150 use?
- It comes with a V-Band In/Out turbine housing featuring a 1.06 A/R, which enables flexible exhaust tuning.
- What is the compressor housing A/R on the G40-1150?
- The compressor housing A/R is 0.80, paired with a 71mm compressor wheel for responsive boost delivery.
For builders demanding uncompromising performance and tuning flexibility at high horsepower levels, the Garrett G40-1150 stands as a proven, purpose-engineered solution.

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