The Garrett G-Series G40-900 with the 62mm compressor wheel is a high-boost turbocharger unit built for enthusiasts chasing serious top-end power without sacrificing response. Housed in a T4 divided turbine housing, this unit is engineered for street and competition builds demanding both durability and performance. It’s the choice for tuners who need a turbo capable of handling aggressive boost levels while maintaining the spool characteristics Garrett’s G-Series is known for.
Specifications
- Compressor Wheel Inducer: 62mm
- Compressor Wheel Exducer: 88mm
- Compressor Wheel Trim: 51
- Compressor Housing A/R: 0.80
- Turbine Wheel Inducer: 77mm
- Turbine Wheel Exducer: 70mm
- Turbine Wheel Trim: 84
- Turbine Housing: T4 Divided, 0.95 A/R
- Bearing Type: Ball Bearing
- Garrett P/N: G40-900
Performance & Application
This G40-900 configuration is designed for serious street and competition applications where high-boost capability is a priority. The ball bearing construction delivers responsive spooling characteristics, allowing the turbo to build boost efficiently while still supporting strong top-end airflow. The T4 divided .95 A/R turbine housing pairs with the 62mm compressor wheel to give builders a turbo that balances quick spool with sustained high-output performance. This unit suits enthusiasts building platforms that demand both aggressive power delivery and consistent reliability under boost.
Frequently Asked Questions
- What is the compressor housing A/R ratio on the G40-900?
- The compressor housing A/R ratio is 0.80.
- What turbine housing configuration does this G40-900 use?
- It uses a T4 divided turbine housing with a 0.95 A/R ratio.
- Is the G40-900 a ball bearing or journal bearing turbo?
- The G40-900 features ball bearing construction, which delivers responsive spooling for serious street and competition applications.
- What size is the compressor wheel on this G40-900 unit?
- This unit features a 62mm compressor wheel inducer with an 88mm exducer and a trim of 51.
For builders who need a high-boost G-Series turbo backed by ball bearing responsiveness and a T4 divided housing built for serious output, the Garrett G40-900 62mm compressor wheel unit delivers exactly that.
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